Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.84	22.88	22.69	22.78	16,114,348	-0.01(-0.03%)
May 23, 2011	22.82	22.92	22.68	22.79	19,604,706	-0.27(-1.19%)
May 20, 2011	23.07	23.13	22.92	23.06	19,219,986	-0.05(-0.23%)
May 19, 2011	23.10	23.19	22.96	23.11	19,209,708	+0.05(+0.23%)
May 18, 2011	22.96	23.08	22.84	23.06	19,880,940	+0.10(+0.46%)
May 17, 2011	22.87	23.02	22.79	22.95	19,685,394	+0.05(+0.24%)
May 16, 2011	22.99	23.04	22.86	22.90	18,322,356	-0.12(-0.51%)
May 13, 2011	23.05	23.22	22.96	23.02	23,721,208	-0.04(-0.19%)
May 12, 2011	22.74	23.10	22.68	23.06	25,306,816	+0.33(+1.47%)
May 11, 2011	22.72	22.85	22.59	22.73	16,618,311	-0.01(-0.03%)
May 10, 2011	22.62	22.78	22.61	22.74	16,468,990	+0.13(+0.58%)
May 09, 2011	22.57	22.71	22.56	22.60	13,159,469	+0.02(+0.07%)
May 06, 2011	22.77	22.82	22.53	22.59	25,265,072	+0.07(+0.30%)
May 05, 2011	22.86	22.87	22.42	22.52	21,060,144	-0.26(-1.13%)
May 04, 2011	22.91	22.93	22.69	22.78	20,064,626	-0.14(-0.62%)
May 03, 2011	22.86	22.92	22.81	22.92	15,620,066	+0.05(+0.24%)
May 02, 2011	22.85	22.88	22.83	22.86	18,539,582	+0.09(+0.39%)
Apr 29, 2011	22.81	22.88	22.71	22.78	21,954,150	+0.02(+0.07%)
Apr 28, 2011	22.60	22.77	22.51	22.76	20,861,484	+0.14(+0.61%)
Apr 27, 2011	22.75	22.76	22.47	22.62	24,987,732	+0.02(+0.10%)
Apr 26, 2011	22.87	22.63	22.22	22.60	48,449,016	-0.27(-1.20%)
Apr 25, 2011	22.81	22.88	22.73	22.87	15,863,428	-0.05(-0.21%)
Apr 21, 2011	22.92	23.02	22.78	22.92	16,257,612	+0.01(+0.04%)
Apr 20, 2011	22.92	22.97	22.83	22.91	19,013,900	+0.26(+1.13%)
Apr 19, 2011	22.69	22.79	22.60	22.65	15,860,531	-0.07(-0.33%)
Apr 18, 2011	22.81	22.84	22.50	22.73	23,863,740	-0.24(-1.03%)
Apr 15, 2011	23.07	23.08	22.91	22.96	25,945,400	-0.10(-0.44%)
Apr 14, 2011	22.74	23.12	22.65	23.06	35,404,552	+0.35(+1.53%)
Apr 13, 2011	22.70	22.78	22.61	22.71	12,549,889	+0.13(+0.57%)
Apr 12, 2011	22.61	22.66	22.42	22.59	24,614,272	-0.17(-0.74%)
Apr 11, 2011	22.71	22.90	22.55	22.76	21,719,020	+0.04(+0.19%)
Apr 08, 2011	22.75	22.84	22.57	22.71	16,600,809	-0.06(-0.25%)
Apr 07, 2011	22.77	22.87	22.60	22.77	18,886,524	-0.06(-0.28%)
Apr 06, 2011	22.81	22.90	22.69	22.83	20,896,906	+0.05(+0.24%)
Apr 05, 2011	22.79	22.88	22.73	22.78	18,496,862	-0.06(-0.28%)
Apr 04, 2011	22.69	22.89	22.67	22.84	19,971,112	+0.15(+0.65%)
Apr 01, 2011	22.58	22.78	22.49	22.69	27,753,598	+0.30(+1.33%)
Mar 31, 2011	22.27	22.57	22.27	22.40	26,247,792	+0.10(+0.45%)
Mar 30, 2011	22.30	22.45	22.30	22.30	27,901,026	+0.11(+0.49%)
Mar 29, 2011	22.01	22.19	21.97	22.19	17,138,226	+0.23(+1.06%)
Mar 28, 2011	22.01	22.11	21.96	21.96	17,186,704	-0.06(-0.29%)
Mar 25, 2011	21.90	22.08	21.88	22.02	18,406,832	+0.18(+0.82%)
Mar 24, 2011	21.80	21.97	21.80	21.84	19,763,066	+0.14(+0.65%)
Mar 23, 2011	21.37	21.79	21.35	21.70	19,202,768	+0.26(+1.20%)
Mar 22, 2011	21.50	21.53	21.35	21.44	12,477,526	-0.02(-0.09%)
Mar 21, 2011	21.53	21.55	21.41	21.46	18,591,248	+0.29(+1.39%)
Mar 18, 2011	21.26	21.37	21.08	21.17	35,045,028	+0.14(+0.67%)
Mar 17, 2011	21.08	21.20	20.90	21.03	29,826,818	+0.21(+1.01%)
Mar 16, 2011	21.17	21.23	20.69	20.82	47,429,192	-0.46(-2.17%)
Mar 15, 2011	21.17	21.36	21.15	21.28	37,643,672	-0.31(-1.42%)
Mar 14, 2011	21.72	21.81	21.45	21.59	26,374,900	-0.29(-1.34%)
Mar 11, 2011	21.92	21.98	21.77	21.88	17,794,350	-0.08(-0.38%)
Mar 10, 2011	21.95	22.05	21.86	21.96	26,407,802	-0.11(-0.50%)
Mar 09, 2011	22.04	22.09	21.95	22.07	22,081,904	-0.01(-0.03%)
Mar 08, 2011	22.00	22.15	21.94	22.08	30,813,060	+0.14(+0.64%)
Mar 07, 2011	21.97	22.11	21.69	21.94	35,135,680	+0.00(+0.02%)
Mar 04, 2011	22.00	22.05	21.79	21.94	34,288,048	-0.12(-0.55%)
Mar 03, 2011	21.80	22.16	21.79	22.06	43,132,400	+0.38(+1.77%)
Mar 02, 2011	21.73	21.80	21.57	21.67	30,879,630	-0.16(-0.74%)

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