Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2013	28.90	28.95	28.52	28.68	10,945,006	-0.29(-1.00%)
Jan 30, 2013	29.05	29.36	28.82	28.97	10,014,384	-0.04(-0.13%)
Jan 29, 2013	28.60	29.09	28.56	29.00	11,609,983	+0.33(+1.17%)
Jan 28, 2013	29.12	29.21	28.50	28.67	8,224,878	-0.17(-0.60%)
Jan 25, 2013	28.50	28.85	28.48	28.84	50,197,532	+0.35(+1.22%)
Jan 24, 2013	28.10	28.62	28.02	28.50	15,387,758	+0.57(+2.03%)
Jan 23, 2013	28.30	28.42	27.82	27.93	12,363,745	-0.39(-1.37%)
Jan 22, 2013	28.56	28.60	28.16	28.32	11,033,701	-0.13(-0.47%)
Jan 18, 2013	28.19	28.47	28.13	28.45	13,547,864	+0.27(+0.97%)
Jan 17, 2013	28.13	28.39	27.84	28.18	12,172,214	+0.13(+0.47%)
Jan 16, 2013	28.10	28.15	27.84	28.05	14,328,784	-0.07(-0.25%)
Jan 15, 2013	28.14	28.48	28.02	28.12	12,830,341	-0.15(-0.53%)
Jan 14, 2013	28.51	28.53	28.16	28.27	12,603,882	-0.11(-0.40%)
Jan 11, 2013	28.38	28.52	28.12	28.38	11,366,158	+0.05(+0.18%)
Jan 10, 2013	28.38	28.56	27.97	28.33	11,386,180	+0.03(+0.09%)
Jan 09, 2013	28.15	28.31	27.96	28.30	11,359,244	+0.17(+0.61%)
Jan 08, 2013	27.92	28.50	27.92	28.13	18,394,410	+0.19(+0.68%)
Jan 07, 2013	27.95	28.02	27.70	27.94	10,934,304	+0.42(+1.53%)
Jan 04, 2013	27.33	27.64	27.20	27.52	9,803,139	+0.28(+1.03%)
Jan 03, 2013	27.30	27.57	27.16	27.24	8,206,158	-0.04(-0.15%)
Jan 02, 2013	27.08	27.28	26.70	27.28	10,925,114	+0.59(+2.19%)
Dec 31, 2012	26.26	26.79	26.06	26.70	11,683,321	+0.39(+1.48%)
Dec 28, 2012	26.19	26.52	26.09	26.31	9,304,614	-0.08(-0.31%)
Dec 27, 2012	26.34	26.66	25.94	26.39	11,499,458	+0.04(+0.17%)
Dec 26, 2012	26.44	26.55	26.17	26.34	5,402,433	-0.07(-0.25%)
Dec 24, 2012	26.37	26.53	26.33	26.41	4,010,704	-0.04(-0.16%)
Dec 21, 2012	26.49	26.84	26.22	26.45	21,753,442	-0.32(-1.19%)
Dec 20, 2012	27.25	27.28	26.71	26.77	13,436,785	-0.40(-1.46%)
Dec 19, 2012	27.66	27.66	27.13	27.17	9,938,340	-0.40(-1.45%)
Dec 18, 2012	27.54	27.85	27.32	27.57	11,198,514	+0.14(+0.52%)
Dec 17, 2012	27.07	27.43	26.71	27.43	15,119,924	+0.44(+1.64%)
Dec 14, 2012	27.15	27.15	26.70	26.98	13,755,637	-0.19(-0.71%)
Dec 13, 2012	27.62	27.78	27.07	27.18	15,390,807	-0.53(-1.92%)
Dec 12, 2012	27.76	28.03	27.65	27.71	16,054,109	-0.04(-0.14%)
Dec 11, 2012	27.16	27.90	27.09	27.75	25,349,468	+0.76(+2.81%)
Dec 10, 2012	26.99	27.15	26.89	26.99	11,338,065	+0.12(+0.45%)
Dec 07, 2012	26.79	26.96	26.65	26.87	10,481,530	+0.04(+0.14%)
Dec 06, 2012	27.20	27.22	26.78	26.83	17,341,636	-0.27(-0.98%)
Dec 05, 2012	27.30	27.31	26.81	27.09	13,344,521	+0.14(+0.51%)
Dec 04, 2012	27.35	27.57	26.94	26.95	14,624,423	-0.31(-1.12%)
Nov 30, 2012	27.40	27.47	27.12	27.26	11,872,076	-0.11(-0.40%)
Nov 29, 2012	27.35	27.54	27.10	27.37	10,581,057	+0.15(+0.56%)
Nov 28, 2012	27.10	27.24	26.54	27.22	14,425,721	+0.08(+0.31%)
Nov 27, 2012	27.12	27.56	26.94	27.13	15,169,830	-0.30(-1.09%)
Nov 26, 2012	27.49	27.57	27.14	27.43	14,395,440	-0.24(-0.85%)
Nov 23, 2012	27.48	27.72	27.48	27.67	5,578,890	+0.21(+0.75%)
Nov 21, 2012	27.53	27.62	27.18	27.46	11,373,174	-0.09(-0.34%)
Nov 20, 2012	27.22	27.66	27.12	27.55	21,024,856	+0.36(+1.32%)
Nov 19, 2012	27.16	27.35	26.81	27.19	25,215,974	+0.15(+0.56%)
Nov 16, 2012	26.54	27.23	26.47	27.04	36,469,480	+0.55(+2.07%)
Nov 15, 2012	26.19	26.56	25.85	26.49	23,237,340	+0.22(+0.83%)
Nov 14, 2012	26.38	26.87	26.17	26.27	32,168,560	-0.15(-0.55%)
Nov 13, 2012	26.99	27.43	26.37	26.42	51,513,792	-0.45(-1.67%)
Nov 12, 2012	26.28	27.02	26.02	26.87	84,679,104	+3.24(+13.72%)
Nov 09, 2012	23.48	24.12	23.45	23.63	24,874,038	+0.06(+0.25%)
Nov 08, 2012	23.69	23.80	23.31	23.57	25,154,900	-0.22(-0.92%)
Nov 07, 2012	24.34	24.43	23.74	23.79	18,680,194	-0.73(-2.99%)
Nov 06, 2012	24.38	24.70	24.21	24.52	8,618,181	+0.16(+0.64%)
Nov 05, 2012	24.27	24.46	23.89	24.37	10,027,613	+0.01(+0.04%)
Nov 02, 2012	24.61	24.61	24.16	24.36	15,924,161	-0.18(-0.73%)
Nov 01, 2012	24.61	24.84	24.38	24.53	11,971,713	+0.12(+0.48%)
Oct 31, 2012	24.60	24.98	24.23	24.42	13,935,899	+0.04(+0.16%)
Oct 26, 2012	24.43	24.38	24.38	24.38	31,982,054	-0.11(-0.46%)
Oct 25, 2012	24.90	25.16	24.47	24.49	16,452,260	-0.35(-1.41%)
Oct 24, 2012	24.97	25.30	24.56	24.84	33,926,428	+1.25(+5.28%)
Oct 23, 2012	23.94	24.16	23.41	23.59	22,267,532	-0.61(-2.52%)
Oct 19, 2012	24.82	24.94	24.12	24.20	18,359,876	-0.62(-2.49%)
Oct 18, 2012	25.01	25.13	24.79	24.82	19,519,006	-0.46(-1.83%)
Oct 17, 2012	24.86	25.36	24.77	25.28	14,215,965	+0.43(+1.73%)
Oct 16, 2012	24.58	24.90	24.52	24.85	17,102,032	+0.39(+1.57%)
Oct 15, 2012	24.84	25.15	24.13	24.47	38,107,172	-0.23(-0.91%)
Oct 12, 2012	24.86	24.97	24.62	24.69	9,535,996	+0.03(+0.10%)
Oct 11, 2012	24.66	25.00	24.63	24.67	13,781,249	+0.09(+0.35%)
Oct 10, 2012	25.06	25.17	24.53	24.58	25,786,658	-0.42(-1.67%)
Oct 09, 2012	25.27	25.34	24.98	25.00	15,690,608	-0.37(-1.48%)
Oct 08, 2012	25.33	25.55	25.30	25.37	12,526,643	+0.14(+0.55%)
Oct 05, 2012	25.41	25.55	25.17	25.23	20,005,998	-0.09(-0.34%)
Oct 04, 2012	25.44	25.57	25.12	25.32	28,653,060	-0.12(-0.46%)
Oct 03, 2012	25.30	25.58	25.21	25.44	33,482,762	+0.30(+1.19%)
Oct 02, 2012	24.63	25.26	24.61	25.14	37,333,632	+0.63(+2.57%)
Oct 01, 2012	24.53	24.82	24.30	24.51	20,869,130	+0.40(+1.67%)
Sep 28, 2012	24.16	24.21	23.84	24.11	17,247,874	-0.11(-0.47%)
Sep 27, 2012	24.03	24.38	23.94	24.22	22,034,952	+0.21(+0.89%)
Sep 26, 2012	24.37	24.67	23.91	24.01	23,217,020	-0.45(-1.83%)
Sep 25, 2012	24.42	24.74	24.42	24.46	21,701,584	+0.05(+0.19%)
Sep 24, 2012	24.24	24.53	24.20	24.41	13,919,690	-0.22(-0.89%)
Sep 21, 2012	24.48	24.71	24.44	24.63	24,605,450	+0.16(+0.65%)
Sep 20, 2012	24.29	24.50	24.01	24.47	24,056,938	+0.04(+0.16%)
Sep 19, 2012	24.42	24.46	24.22	24.43	34,559,064	+0.16(+0.66%)
Sep 18, 2012	23.72	24.55	23.67	24.27	51,106,880	+0.35(+1.47%)
Sep 17, 2012	22.51	24.09	22.50	23.92	59,130,348	+1.37(+6.09%)
Sep 14, 2012	21.87	22.77	21.81	22.54	41,228,060	+0.65(+2.95%)
Sep 13, 2012	21.69	22.01	21.63	21.90	15,159,956	+0.18(+0.83%)
Sep 12, 2012	21.64	21.77	21.61	21.72	16,138,611	+0.16(+0.74%)
Sep 11, 2012	21.63	21.77	21.51	21.56	10,849,532	-0.13(-0.59%)
Sep 10, 2012	21.52	21.77	21.45	21.68	15,385,004	+0.15(+0.68%)
Sep 07, 2012	21.66	21.69	21.35	21.54	11,169,785	-0.08(-0.39%)
Sep 06, 2012	21.38	21.64	21.36	21.62	18,606,716	+0.38(+1.80%)
Sep 05, 2012	21.04	21.48	20.97	21.24	22,686,772	+0.16(+0.74%)
Sep 04, 2012	20.90	21.17	20.72	21.08	12,770,183	+0.12(+0.55%)
Aug 31, 2012	20.96	21.11	20.82	20.97	8,411,542	+0.07(+0.31%)
Aug 30, 2012	20.96	21.05	20.80	20.90	10,054,157	-0.09(-0.43%)
Aug 29, 2012	20.95	21.08	20.85	20.99	12,093,806	+0.21(+1.00%)
Aug 27, 2012	20.85	20.89	20.48	20.79	8,573,508	-0.04(-0.17%)
Aug 24, 2012	20.46	20.94	20.40	20.82	16,750,860	+0.45(+2.21%)
Aug 23, 2012	20.54	20.62	20.36	20.37	9,748,787	-0.16(-0.76%)
Aug 22, 2012	20.57	20.75	20.52	20.53	10,222,886	-0.12(-0.60%)
Aug 21, 2012	20.54	20.70	20.46	20.65	11,207,665	+0.12(+0.58%)
Aug 20, 2012	20.65	20.67	20.30	20.53	9,680,152	-0.09(-0.46%)
Aug 17, 2012	20.69	20.81	20.41	20.63	18,553,668	+0.02(+0.11%)
Aug 16, 2012	20.69	21.08	20.47	20.60	27,466,532	-0.47(-2.21%)
Aug 15, 2012	20.96	21.12	20.83	21.07	12,012,496	+0.15(+0.69%)
Aug 14, 2012	20.71	21.02	20.63	20.92	15,273,138	+0.34(+1.66%)
Aug 13, 2012	20.51	20.60	20.47	20.58	8,626,179	-0.05(-0.25%)
Aug 10, 2012	20.67	20.69	20.52	20.63	8,909,286	-0.05(-0.23%)
Aug 09, 2012	20.56	20.82	20.54	20.68	10,911,921	+0.03(+0.14%)
Aug 08, 2012	20.71	20.82	20.54	20.65	11,898,165	-0.27(-1.27%)
Aug 07, 2012	20.85	20.99	20.68	20.92	11,488,238	-0.03(-0.16%)
Aug 06, 2012	20.70	20.98	20.62	20.95	15,802,095	+0.28(+1.35%)
Aug 03, 2012	21.04	21.27	20.64	20.67	23,610,960	-0.15(-0.73%)
Aug 02, 2012	21.04	21.39	20.36	20.82	80,977,616	+1.33(+6.83%)
Aug 01, 2012	19.79	19.84	19.45	19.49	18,065,994	-0.25(-1.29%)
Jul 31, 2012	19.94	20.24	19.74	19.75	17,917,360	-0.47(-2.30%)
Jul 30, 2012	20.17	20.37	20.15	20.21	19,459,622	+0.04(+0.20%)
Jul 27, 2012	19.61	20.20	19.49	20.17	38,670,604	+1.39(+7.39%)
Jul 26, 2012	18.88	18.96	18.55	18.78	14,913,747	+0.18(+0.96%)
Jul 25, 2012	18.61	18.70	18.46	18.61	9,455,907	+0.03(+0.18%)
Jul 24, 2012	18.88	18.89	18.51	18.57	17,926,136	-0.29(-1.52%)
Jul 23, 2012	19.04	19.04	18.78	18.86	11,133,052	-0.43(-2.24%)
Jul 20, 2012	19.51	19.63	19.27	19.29	17,075,306	-0.25(-1.26%)
Jul 19, 2012	19.32	19.63	19.21	19.54	14,432,751	+0.22(+1.15%)
Jul 18, 2012	19.21	19.37	19.08	19.32	11,688,312	+0.12(+0.61%)
Jul 17, 2012	19.08	19.26	18.90	19.20	15,784,971	+0.32(+1.71%)
Jul 16, 2012	18.61	18.88	18.50	18.88	9,969,997	+0.28(+1.50%)
Jul 13, 2012	18.37	18.63	18.36	18.60	9,879,428	+0.19(+1.01%)
Jul 12, 2012	18.23	18.49	18.03	18.41	13,742,328	-0.00(-0.02%)
Jul 11, 2012	18.32	18.48	18.19	18.42	25,059,450	-0.34(-1.80%)
Jul 10, 2012	18.87	18.94	18.69	18.75	12,543,704	+0.04(+0.19%)
Jul 09, 2012	18.58	18.73	18.49	18.72	9,188,979	+0.20(+1.06%)
Jul 06, 2012	18.71	18.80	18.45	18.52	9,032,296	-0.18(-0.97%)
Jul 05, 2012	18.91	18.95	18.66	18.70	8,766,360	-0.23(-1.19%)
Jul 03, 2012	18.73	18.94	18.67	18.93	4,934,737	+0.16(+0.86%)
Jul 02, 2012	18.61	18.78	18.53	18.77	9,874,011	+0.13(+0.69%)
Jun 29, 2012	18.59	18.67	18.33	18.64	14,905,942	+0.45(+2.48%)
Jun 28, 2012	18.59	18.61	18.08	18.19	14,262,699	-0.44(-2.36%)
Jun 27, 2012	18.30	18.66	18.30	18.63	9,316,866	+0.32(+1.75%)
Jun 26, 2012	18.26	18.40	18.21	18.31	8,342,561	+0.03(+0.19%)
Jun 25, 2012	18.27	18.36	18.11	18.27	13,548,577	-0.09(-0.48%)
Jun 22, 2012	18.13	18.42	18.05	18.36	15,921,561	+0.22(+1.20%)
Jun 21, 2012	18.52	18.66	18.11	18.14	13,837,456	-0.31(-1.69%)
Jun 20, 2012	18.48	18.61	18.31	18.46	11,258,856	+0.02(+0.10%)
Jun 19, 2012	18.31	18.55	18.26	18.44	12,277,001	+0.19(+1.04%)
Jun 18, 2012	18.30	18.35	18.15	18.25	11,783,704	-0.03(-0.16%)
Jun 15, 2012	18.20	18.31	18.15	18.28	20,463,042	+0.07(+0.40%)
Jun 14, 2012	17.93	18.23	17.89	18.21	17,165,910	+0.35(+1.99%)
Jun 13, 2012	17.99	18.26	17.84	17.85	13,117,666	-0.11(-0.62%)
Jun 12, 2012	17.97	18.03	17.74	17.96	9,905,385	-0.04(-0.24%)
Jun 11, 2012	18.04	18.14	17.97	18.01	11,664,730	-0.04(-0.20%)
Jun 08, 2012	17.77	18.11	17.74	18.04	10,347,672	+0.23(+1.31%)
Jun 07, 2012	18.08	18.13	17.81	17.81	9,773,221	-0.08(-0.45%)
Jun 06, 2012	17.65	17.95	17.64	17.89	11,559,863	+0.26(+1.46%)
Jun 05, 2012	17.81	17.88	17.53	17.63	18,840,352	-0.25(-1.42%)
Jun 04, 2012	17.69	17.95	17.62	17.89	12,397,559	+0.20(+1.11%)
Jun 01, 2012	17.95	18.03	17.58	17.69	15,491,161	-0.47(-2.56%)
May 31, 2012	18.31	18.36	18.03	18.15	18,354,870	-0.20(-1.09%)
May 30, 2012	18.41	18.47	18.24	18.35	15,775,438	-0.17(-0.90%)
May 29, 2012	18.48	18.58	18.35	18.52	12,529,378	+0.17(+0.93%)
May 25, 2012	18.44	18.45	18.24	18.35	7,930,788	-0.05(-0.26%)
May 24, 2012	18.22	18.43	18.18	18.40	8,185,063	+0.15(+0.84%)
May 23, 2012	18.25	18.32	18.08	18.25	13,173,328	-0.10(-0.53%)
May 22, 2012	18.51	18.51	18.25	18.34	11,819,768	-0.15(-0.83%)
May 21, 2012	18.18	18.51	18.17	18.50	15,663,018	+0.35(+1.90%)
May 18, 2012	18.31	18.31	18.07	18.15	21,746,258	-0.06(-0.32%)
May 17, 2012	18.74	18.82	18.21	18.21	22,763,442	-0.54(-2.87%)
May 16, 2012	18.85	18.94	18.74	18.75	18,488,954	-0.11(-0.56%)
May 15, 2012	19.01	19.03	18.78	18.85	16,644,540	-0.21(-1.12%)
May 14, 2012	18.77	19.29	18.63	19.07	25,462,570	+0.23(+1.20%)
May 11, 2012	18.99	18.99	18.61	18.84	26,329,942	+0.21(+1.15%)
May 10, 2012	18.49	18.67	18.46	18.63	17,949,286	+0.22(+1.20%)
May 09, 2012	18.17	18.46	17.92	18.41	24,203,166	+0.43(+2.39%)
May 08, 2012	17.99	18.14	17.78	17.98	22,721,078	-0.16(-0.88%)
May 07, 2012	18.22	18.29	18.09	18.14	16,148,108	-0.13(-0.74%)
May 04, 2012	18.49	18.57	18.24	18.27	17,559,872	-0.41(-2.18%)
May 03, 2012	18.89	18.94	18.59	18.68	13,148,979	-0.18(-0.94%)
May 02, 2012	18.69	18.92	18.54	18.86	16,107,281	+0.16(+0.86%)
May 01, 2012	18.88	18.89	18.64	18.70	17,020,490	-0.21(-1.11%)
Apr 30, 2012	18.90	19.07	18.78	18.91	14,146,387	-0.05(-0.27%)
Apr 27, 2012	19.08	19.35	18.79	18.96	16,239,084	-0.20(-1.06%)
Apr 26, 2012	19.00	19.19	18.91	19.16	18,372,986	+0.05(+0.29%)
Apr 25, 2012	19.07	19.11	18.78	19.11	17,351,000	+0.08(+0.40%)
Apr 24, 2012	18.69	19.03	18.65	19.03	19,712,568	+0.35(+1.85%)
Apr 23, 2012	18.36	18.86	18.32	18.69	22,219,476	+0.15(+0.80%)
Apr 20, 2012	18.98	19.09	18.33	18.54	40,987,640	-0.45(-2.39%)
Apr 19, 2012	19.79	19.90	18.75	18.99	99,093,576	+2.05(+12.10%)
Apr 18, 2012	16.95	17.13	16.84	16.94	15,823,344	-0.03(-0.15%)
Apr 17, 2012	16.80	17.05	16.76	16.97	12,609,588	+0.30(+1.79%)
Apr 16, 2012	16.56	16.72	16.50	16.67	12,919,429	+0.13(+0.77%)
Apr 13, 2012	16.64	16.77	16.53	16.54	17,093,942	-0.08(-0.46%)
Apr 12, 2012	16.57	16.73	16.50	16.62	17,662,404	+0.11(+0.67%)
Apr 11, 2012	16.77	16.90	16.48	16.51	18,094,302	-0.13(-0.78%)
Apr 10, 2012	16.87	16.94	16.60	16.64	20,003,792	-0.30(-1.76%)
Apr 09, 2012	16.97	17.23	16.93	16.93	16,435,526	-0.43(-2.45%)
Apr 05, 2012	17.09	17.40	17.08	17.36	22,757,480	+0.21(+1.21%)
Apr 04, 2012	17.41	17.41	16.56	17.15	48,900,864	-0.33(-1.89%)
Apr 03, 2012	17.64	17.76	17.26	17.48	24,169,658	-0.25(-1.39%)
Apr 02, 2012	17.70	17.74	17.38	17.73	19,278,680	-0.03(-0.16%)
Mar 30, 2012	17.45	17.80	17.42	17.76	19,913,592	+0.40(+2.28%)
Mar 29, 2012	17.16	17.44	17.11	17.36	15,664,782	+0.14(+0.82%)
Mar 28, 2012	17.25	17.36	17.06	17.22	14,046,032	-0.00(-0.02%)
Mar 27, 2012	17.24	17.34	17.13	17.22	13,116,612	+0.06(+0.36%)
Mar 26, 2012	17.08	17.18	16.97	17.16	16,042,531	+0.13(+0.79%)
Mar 23, 2012	17.02	17.08	16.74	17.03	14,227,821	+0.08(+0.47%)
Mar 22, 2012	16.70	16.98	16.63	16.95	12,839,077	+0.12(+0.71%)
Mar 21, 2012	17.10	17.10	16.78	16.83	11,956,672	-0.23(-1.32%)
Mar 20, 2012	17.09	17.11	16.95	17.05	16,107,314	-0.05(-0.32%)
Mar 19, 2012	16.92	17.17	16.84	17.11	9,642,277	+0.12(+0.73%)
Mar 16, 2012	17.08	17.22	16.93	16.98	23,530,030	-0.16(-0.91%)
Mar 15, 2012	17.06	17.16	16.95	17.14	16,858,016	+0.18(+1.07%)
Mar 14, 2012	17.01	17.05	16.86	16.96	14,548,098	-0.05(-0.32%)
Mar 13, 2012	16.84	17.02	16.58	17.01	19,613,146	+0.24(+1.41%)
Mar 12, 2012	16.84	16.92	16.71	16.78	11,403,351	+0.03(+0.15%)
Mar 09, 2012	16.93	16.94	16.69	16.75	15,935,653	-0.16(-0.95%)
Mar 08, 2012	16.64	17.07	16.61	16.91	18,464,032	+0.38(+2.31%)
Mar 07, 2012	16.67	16.69	16.28	16.53	21,944,000	-0.15(-0.87%)
Mar 06, 2012	16.57	16.78	16.49	16.68	25,651,924	-0.13(-0.76%)
Mar 05, 2012	17.07	17.10	16.70	16.80	19,019,208	-0.28(-1.62%)
Mar 02, 2012	16.99	17.18	16.82	17.08	21,610,202	+0.14(+0.82%)
Mar 01, 2012	16.68	16.96	16.63	16.94	22,718,824	+0.39(+2.36%)
Feb 29, 2012	16.68	16.80	16.50	16.55	25,283,122	-0.17(-1.01%)
Feb 28, 2012	16.46	16.87	16.40	16.72	24,580,108	+0.29(+1.79%)
Feb 27, 2012	16.36	16.47	16.27	16.42	20,914,940	-0.03(-0.15%)
Feb 24, 2012	16.50	16.54	16.23	16.45	18,919,868	+0.04(+0.24%)
Feb 23, 2012	16.32	16.47	16.13	16.41	31,132,736	+0.23(+1.39%)
Feb 22, 2012	16.07	16.36	15.92	16.18	49,576,200	-0.06(-0.36%)
Feb 21, 2012	16.92	16.99	16.21	16.24	53,445,792	-0.84(-4.91%)
Feb 17, 2012	16.72	17.40	16.57	17.08	171,946,400	-2.84(-14.25%)
Feb 16, 2012	19.98	20.08	19.81	19.92	23,757,386	-0.00(-0.02%)
Feb 15, 2012	19.95	19.96	19.65	19.92	16,769,910	+0.10(+0.49%)
Feb 14, 2012	19.73	19.95	19.68	19.83	20,143,820	-0.13(-0.63%)
Feb 13, 2012	19.55	19.98	19.53	19.95	19,307,024	+0.42(+2.14%)
Feb 10, 2012	19.48	19.61	19.42	19.54	19,937,416	+0.01(+0.04%)
Feb 09, 2012	19.77	19.77	19.46	19.53	21,660,816	-0.20(-1.00%)
Feb 08, 2012	19.83	19.95	19.57	19.73	32,454,514	-0.29(-1.46%)
Feb 07, 2012	20.06	20.31	19.87	20.02	37,824,536	-0.35(-1.70%)
Feb 06, 2012	19.74	20.54	19.71	20.36	52,033,752	+0.48(+2.43%)
Feb 03, 2012	19.41	19.95	19.26	19.88	103,646,880	+1.96(+10.92%)
Feb 02, 2012	17.85	18.04	17.58	17.92	23,810,990	+0.06(+0.33%)

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