Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	50.63	50.71	49.63	50.21	212,613	-0.47(-0.92%)
May 30, 2012	51.26	51.28	50.58	50.68	589,168	-1.29(-2.48%)
May 29, 2012	51.58	52.21	51.47	51.97	563,757	+1.04(+2.05%)
May 25, 2012	51.04	51.30	50.77	50.93	101,636	-0.24(-0.47%)
May 24, 2012	51.33	51.42	50.39	51.17	282,089	+0.23(+0.46%)
May 23, 2012	49.85	51.02	49.30	50.93	273,386	+0.61(+1.21%)
May 22, 2012	50.96	51.26	49.98	50.33	263,113	-0.47(-0.93%)
May 21, 2012	49.22	50.85	49.22	50.80	543,507	+1.70(+3.46%)
May 18, 2012	49.80	50.03	48.96	49.10	187,045	-0.46(-0.92%)
May 17, 2012	50.85	51.03	49.55	49.56	376,048	-1.15(-2.26%)
May 16, 2012	51.66	52.22	50.70	50.70	222,799	-0.75(-1.46%)
May 15, 2012	52.45	52.63	51.34	51.46	657,055	-1.07(-2.03%)
May 14, 2012	52.65	53.00	52.35	52.52	793,154	-0.78(-1.46%)
May 11, 2012	53.11	53.89	53.05	53.30	141,116	-0.19(-0.36%)
May 10, 2012	54.25	54.35	53.36	53.49	368,507	-0.17(-0.31%)
May 09, 2012	53.12	54.26	52.87	53.66	366,552	-0.22(-0.42%)
May 08, 2012	53.81	53.93	52.90	53.89	520,158	-0.51(-0.94%)
May 07, 2012	54.13	54.70	53.93	54.40	186,900	+0.04(+0.07%)
May 04, 2012	55.10	55.14	54.27	54.36	424,613	-0.99(-1.80%)
May 03, 2012	56.19	56.26	55.26	55.35	89,010	-0.77(-1.37%)
May 02, 2012	56.09	56.21	55.69	56.12	199,917	-0.36(-0.64%)
May 01, 2012	56.13	56.91	56.08	56.48	148,401	+0.42(+0.74%)
Apr 30, 2012	56.33	56.38	55.81	56.07	682,364	-0.51(-0.91%)
Apr 27, 2012	56.73	56.82	56.29	56.58	212,568	+0.14(+0.24%)
Apr 26, 2012	56.03	56.59	55.80	56.44	220,446	+0.03(+0.06%)
Apr 25, 2012	55.79	56.41	55.72	56.41	244,200	+1.32(+2.40%)
Apr 24, 2012	55.09	55.34	54.77	55.09	267,955	+0.06(+0.12%)
Apr 23, 2012	54.94	55.08	54.32	55.02	416,622	-0.77(-1.38%)
Apr 20, 2012	56.14	56.37	55.79	55.79	121,089	-0.10(-0.17%)
Apr 19, 2012	56.11	56.45	55.55	55.89	181,013	-0.06(-0.11%)
Apr 18, 2012	55.94	56.21	55.87	55.95	123,719	-0.21(-0.37%)
Apr 17, 2012	55.65	56.56	55.65	56.16	346,976	+0.86(+1.55%)
Apr 16, 2012	55.61	55.71	54.92	55.30	850,214	+0.18(+0.33%)
Apr 13, 2012	55.66	55.71	55.12	55.12	703,458	-0.67(-1.21%)
Apr 12, 2012	54.21	55.91	54.21	55.79	241,737	+1.77(+3.28%)
Apr 11, 2012	54.45	54.57	53.93	54.02	138,044	+0.42(+0.78%)
Apr 10, 2012	54.54	54.78	53.43	53.60	303,730	-1.06(-1.94%)
Apr 09, 2012	54.58	55.02	54.45	54.66	248,333	-0.78(-1.40%)
Apr 05, 2012	55.67	56.38	55.31	55.44	194,420	-0.34(-0.62%)
Apr 04, 2012	55.90	56.04	55.41	55.79	438,333	-0.87(-1.53%)
Apr 03, 2012	57.17	57.17	56.25	56.65	323,567	-0.61(-1.06%)
Apr 02, 2012	56.39	57.47	56.31	57.26	549,941	+0.84(+1.49%)
Mar 30, 2012	56.64	56.83	56.01	56.42	334,081	+0.17(+0.30%)
Mar 29, 2012	55.67	56.32	55.29	56.25	533,513	+0.16(+0.29%)
Mar 28, 2012	56.87	56.87	55.58	56.09	176,094	-0.90(-1.58%)
Mar 27, 2012	57.27	57.65	56.97	56.99	131,936	-0.14(-0.25%)
Mar 26, 2012	57.00	57.14	56.69	57.13	318,717	+0.69(+1.22%)
Mar 23, 2012	55.84	56.55	55.56	56.44	1,232,272	+0.73(+1.31%)
Mar 22, 2012	56.22	56.32	55.39	55.72	661,199	-1.18(-2.08%)
Mar 21, 2012	57.01	57.12	56.61	56.90	132,669	+0.05(+0.08%)
Mar 20, 2012	56.76	56.97	56.24	56.85	170,553	-0.46(-0.81%)
Mar 19, 2012	56.99	57.68	56.93	57.32	136,875	+0.22(+0.39%)
Mar 16, 2012	56.94	57.25	56.82	57.09	164,915	+0.40(+0.71%)
Mar 15, 2012	56.38	56.71	56.04	56.69	146,109	+0.54(+0.97%)
Mar 14, 2012	56.51	56.59	55.92	56.15	156,060	-0.37(-0.65%)
Mar 13, 2012	55.71	56.54	55.68	56.52	163,186	+1.10(+1.98%)
Mar 12, 2012	55.84	56.12	55.33	55.42	121,221	-0.48(-0.86%)
Mar 09, 2012	55.80	56.48	55.60	55.90	163,057	+0.21(+0.37%)
Mar 08, 2012	55.47	55.82	55.05	55.69	168,481	+0.87(+1.59%)
Mar 07, 2012	54.77	54.97	54.37	54.82	1,048,203	+0.33(+0.60%)
Mar 06, 2012	54.90	54.90	54.23	54.49	477,577	-1.37(-2.45%)
Mar 05, 2012	56.88	56.88	55.56	55.86	195,144	-1.21(-2.12%)
Mar 02, 2012	57.20	57.64	56.76	57.07	155,396	-0.42(-0.72%)

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