Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.62	22.66	22.47	22.55	16,275,931	-0.01(-0.03%)
May 23, 2011	22.59	22.70	22.46	22.56	19,801,286	-0.27(-1.19%)
May 20, 2011	22.84	22.90	22.69	22.83	19,412,708	-0.05(-0.23%)
May 19, 2011	22.87	22.96	22.73	22.88	19,402,328	+0.05(+0.23%)
May 18, 2011	22.73	22.85	22.61	22.83	20,080,290	+0.10(+0.46%)
May 17, 2011	22.64	22.79	22.56	22.73	19,882,784	+0.05(+0.24%)
May 16, 2011	22.76	22.81	22.64	22.67	18,506,080	-0.12(-0.51%)
May 13, 2011	22.82	22.99	22.74	22.79	23,959,066	-0.04(-0.19%)
May 12, 2011	22.52	22.87	22.45	22.83	25,560,572	+0.33(+1.47%)
May 11, 2011	22.49	22.62	22.36	22.50	16,784,946	-0.01(-0.03%)
May 10, 2011	22.40	22.55	22.39	22.51	16,634,129	+0.13(+0.58%)
May 09, 2011	22.35	22.49	22.34	22.38	13,291,422	+0.02(+0.07%)
May 06, 2011	22.54	22.59	22.31	22.36	25,518,412	+0.07(+0.30%)
May 05, 2011	22.63	22.64	22.20	22.30	21,271,320	-0.25(-1.13%)
May 04, 2011	22.68	22.71	22.46	22.55	20,265,820	-0.14(-0.62%)
May 03, 2011	22.64	22.70	22.59	22.69	15,776,692	+0.05(+0.24%)
May 02, 2011	22.63	22.65	22.60	22.64	18,725,484	+0.09(+0.39%)
Apr 29, 2011	22.58	22.65	22.49	22.55	22,174,290	+0.02(+0.07%)
Apr 28, 2011	22.38	22.55	22.28	22.53	21,070,666	+0.14(+0.61%)
Apr 27, 2011	22.52	22.54	22.25	22.40	25,238,290	+0.02(+0.10%)
Apr 26, 2011	22.64	22.41	22.00	22.37	48,934,824	-0.27(-1.20%)
Apr 25, 2011	22.59	22.66	22.50	22.64	16,022,494	-0.05(-0.21%)
Apr 21, 2011	22.69	22.79	22.55	22.69	16,420,630	+0.01(+0.04%)
Apr 20, 2011	22.69	22.75	22.60	22.68	19,204,556	+0.25(+1.13%)
Apr 19, 2011	22.47	22.56	22.38	22.43	16,019,568	-0.07(-0.33%)
Apr 18, 2011	22.59	22.61	22.28	22.50	24,103,028	-0.23(-1.03%)
Apr 15, 2011	22.84	22.85	22.69	22.73	26,205,562	-0.10(-0.44%)
Apr 14, 2011	22.51	22.89	22.43	22.83	35,759,560	+0.34(+1.53%)
Apr 13, 2011	22.47	22.55	22.39	22.49	12,675,730	+0.13(+0.57%)
Apr 12, 2011	22.39	22.44	22.20	22.36	24,861,084	-0.17(-0.74%)
Apr 11, 2011	22.48	22.68	22.33	22.53	21,936,800	+0.04(+0.19%)
Apr 08, 2011	22.53	22.61	22.35	22.49	16,767,269	-0.06(-0.25%)
Apr 07, 2011	22.54	22.65	22.38	22.54	19,075,904	-0.06(-0.28%)
Apr 06, 2011	22.58	22.67	22.47	22.61	21,106,444	+0.05(+0.24%)
Apr 05, 2011	22.56	22.65	22.50	22.55	18,682,334	-0.06(-0.28%)
Apr 04, 2011	22.47	22.66	22.45	22.62	20,171,368	+0.15(+0.65%)
Apr 01, 2011	22.36	22.56	22.26	22.47	28,031,890	+0.29(+1.33%)
Mar 31, 2011	22.05	22.35	22.05	22.18	26,510,984	+0.10(+0.45%)
Mar 30, 2011	22.07	22.23	22.07	22.07	28,180,796	+0.11(+0.49%)
Mar 29, 2011	21.79	21.97	21.75	21.97	17,310,076	+0.23(+1.06%)
Mar 28, 2011	21.79	21.89	21.74	21.74	17,359,040	-0.06(-0.29%)
Mar 25, 2011	21.68	21.86	21.67	21.80	18,591,402	+0.18(+0.82%)
Mar 24, 2011	21.59	21.75	21.58	21.62	19,961,234	+0.14(+0.65%)
Mar 23, 2011	21.16	21.57	21.14	21.48	19,395,318	+0.25(+1.20%)
Mar 22, 2011	21.29	21.32	21.14	21.23	12,602,641	-0.02(-0.09%)
Mar 21, 2011	21.31	21.34	21.20	21.25	18,777,666	+0.29(+1.39%)
Mar 18, 2011	21.05	21.16	20.87	20.96	35,396,432	+0.14(+0.67%)
Mar 17, 2011	20.87	20.99	20.69	20.82	30,125,898	+0.21(+1.01%)
Mar 16, 2011	20.96	21.02	20.49	20.61	47,904,776	-0.46(-2.17%)
Mar 15, 2011	20.96	21.15	20.94	21.07	38,021,132	-0.30(-1.42%)
Mar 14, 2011	21.51	21.60	21.24	21.37	26,639,368	-0.29(-1.34%)
Mar 11, 2011	21.70	21.76	21.55	21.66	17,972,778	-0.00(-0.02%)
Mar 10, 2011	21.65	21.75	21.56	21.67	26,769,292	-0.11(-0.50%)
Mar 09, 2011	21.75	21.80	21.66	21.78	22,384,176	-0.01(-0.03%)
Mar 08, 2011	21.70	21.85	21.64	21.78	31,234,850	+0.14(+0.64%)
Mar 07, 2011	21.68	21.82	21.40	21.64	35,616,640	+0.00(+0.02%)
Mar 04, 2011	21.70	21.75	21.49	21.64	34,757,408	-0.12(-0.55%)
Mar 03, 2011	21.50	21.86	21.50	21.76	43,722,824	+0.38(+1.77%)
Mar 02, 2011	21.43	21.51	21.28	21.38	31,302,330	-0.16(-0.74%)

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