Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	45.26	45.26	44.33	44.40	807,882	-0.39(-0.88%)
May 23, 2011	45.41	45.46	44.79	44.79	902,736	-1.49(-3.22%)
May 20, 2011	46.41	46.61	45.62	46.28	569,405	-0.21(-0.45%)
May 19, 2011	47.45	47.69	46.42	46.49	578,941	-0.67(-1.42%)
May 18, 2011	46.21	47.24	45.75	47.16	544,002	+1.20(+2.61%)
May 17, 2011	46.47	47.00	45.85	45.96	873,796	-0.86(-1.85%)
May 16, 2011	46.49	47.42	46.35	46.83	999,259	-0.04(-0.08%)
May 13, 2011	47.53	47.57	46.66	46.86	702,957	-0.66(-1.39%)
May 12, 2011	47.27	48.08	46.99	47.53	1,076,078	+0.14(+0.30%)
May 11, 2011	47.91	48.28	46.91	47.39	679,085	-0.54(-1.12%)
May 10, 2011	48.29	49.17	47.88	47.92	741,158	-0.07(-0.14%)
May 09, 2011	47.83	48.47	47.66	47.99	724,656	+0.10(+0.22%)
May 06, 2011	48.14	48.64	47.39	47.88	897,974	+0.37(+0.78%)
May 05, 2011	47.52	48.33	47.31	47.51	737,120	-0.47(-0.98%)
May 04, 2011	49.23	50.02	47.97	47.98	967,717	-1.24(-2.51%)
May 03, 2011	49.34	49.68	48.76	49.22	1,049,474	-0.42(-0.86%)
May 02, 2011	49.58	49.70	49.52	49.64	662,544	+0.29(+0.59%)
Apr 29, 2011	49.43	49.74	49.06	49.35	596,611	-0.08(-0.17%)
Apr 28, 2011	49.43	49.60	48.77	49.43	792,160	-0.14(-0.29%)
Apr 27, 2011	49.78	49.78	48.63	49.58	1,084,120	-0.20(-0.40%)
Apr 26, 2011	49.71	50.27	49.17	49.78	1,264,804	+0.42(+0.86%)
Apr 25, 2011	50.20	50.39	48.86	49.35	1,540,649	-1.41(-2.77%)
Apr 21, 2011	49.34	51.88	49.30	50.76	2,063,569	+2.90(+6.05%)
Apr 20, 2011	47.66	48.09	47.01	47.86	1,238,649	+0.77(+1.63%)
Apr 19, 2011	46.71	47.52	46.71	47.10	701,548	+0.48(+1.02%)
Apr 18, 2011	46.56	47.30	46.34	46.62	1,113,262	-0.69(-1.46%)
Apr 15, 2011	47.31	47.83	46.97	47.31	1,009,094	+0.40(+0.86%)
Apr 14, 2011	45.76	47.10	45.69	46.91	921,625	+0.98(+2.14%)
Apr 13, 2011	45.93	46.10	45.53	45.93	686,700	+0.40(+0.88%)
Apr 12, 2011	45.92	46.26	45.42	45.52	847,234	-0.66(-1.44%)
Apr 11, 2011	46.84	47.07	46.11	46.19	324,742	-0.48(-1.04%)
Apr 08, 2011	48.10	48.14	46.57	46.67	357,658	-0.89(-1.86%)
Apr 07, 2011	47.90	48.42	47.41	47.56	479,733	-0.34(-0.72%)
Apr 06, 2011	47.64	47.99	47.06	47.90	576,023	+0.75(+1.60%)
Apr 05, 2011	46.75	47.46	46.39	47.15	637,448	+0.19(+0.41%)
Apr 04, 2011	46.90	47.39	46.72	46.95	426,189	+0.23(+0.49%)
Apr 01, 2011	47.33	47.38	46.48	46.72	1,066,740	-0.12(-0.25%)
Mar 31, 2011	45.75	46.89	45.62	46.84	1,202,223	+1.01(+2.21%)
Mar 30, 2011	45.55	45.92	45.55	45.83	1,112,418	+0.42(+0.94%)
Mar 29, 2011	44.76	45.44	44.41	45.40	767,687	+0.49(+1.09%)
Mar 28, 2011	45.55	45.57	44.81	44.91	782,284	-0.72(-1.58%)
Mar 25, 2011	45.48	46.05	45.30	45.63	566,191	+0.19(+0.41%)
Mar 24, 2011	45.94	45.94	44.96	45.45	656,080	-0.16(-0.34%)
Mar 23, 2011	44.57	45.90	44.21	45.61	792,839	+0.83(+1.86%)
Mar 22, 2011	45.00	45.00	44.37	44.77	699,488	-0.16(-0.35%)
Mar 21, 2011	45.21	45.31	44.76	44.93	984,669	+0.64(+1.45%)
Mar 18, 2011	44.66	44.89	44.19	44.29	942,361	+0.33(+0.75%)
Mar 17, 2011	44.53	44.82	43.79	43.96	666,163	+0.31(+0.70%)
Mar 16, 2011	44.66	45.17	43.33	43.65	1,306,110	-1.21(-2.71%)
Mar 15, 2011	44.67	45.16	44.58	44.87	1,242,539	-0.43(-0.95%)
Mar 14, 2011	46.57	47.06	45.26	45.30	1,088,400	-1.85(-3.92%)
Mar 11, 2011	46.25	47.23	46.25	47.15	317,475	+0.75(+1.61%)
Mar 10, 2011	47.51	47.66	46.25	46.40	599,366	-2.00(-4.14%)
Mar 09, 2011	47.96	48.64	47.40	48.41	906,065	+0.18(+0.37%)
Mar 08, 2011	47.33	48.43	46.93	48.23	539,601	+1.05(+2.23%)
Mar 07, 2011	48.79	49.08	46.96	47.18	1,031,028	-1.57(-3.22%)
Mar 04, 2011	49.39	49.67	48.04	48.75	597,119	-0.67(-1.36%)
Mar 03, 2011	47.85	50.24	47.78	49.42	706,843	+1.71(+3.58%)
Mar 02, 2011	46.61	47.98	46.57	47.71	653,443	+0.89(+1.91%)

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