Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.62	22.66	22.49	22.59	3,602,846	+0.24(+1.06%)
May 23, 2011	22.39	22.44	22.23	22.35	5,758,018	-0.44(-1.94%)
May 20, 2011	22.90	22.93	22.72	22.79	2,987,900	-0.19(-0.85%)
May 19, 2011	22.83	22.99	22.79	22.99	5,116,611	+0.28(+1.23%)
May 18, 2011	22.53	22.78	22.50	22.71	7,032,891	+0.01(+0.05%)
May 17, 2011	22.62	22.72	22.51	22.70	6,543,488	-0.32(-1.37%)
May 16, 2011	22.98	23.18	22.93	23.01	7,216,483	-0.03(-0.14%)
May 13, 2011	23.21	23.23	22.91	23.05	7,201,094	+0.06(+0.28%)
May 12, 2011	22.77	23.02	22.68	22.98	3,713,406	+0.26(+1.14%)
May 11, 2011	22.71	22.81	22.51	22.72	4,578,321	+0.15(+0.65%)
May 10, 2011	22.50	22.64	22.45	22.58	2,450,561	+0.04(+0.16%)
May 09, 2011	22.55	22.60	22.41	22.54	5,623,108	-0.11(-0.49%)
May 06, 2011	22.74	22.85	22.54	22.65	3,435,641	+0.06(+0.28%)
May 05, 2011	22.61	22.76	22.51	22.59	3,673,814	-0.19(-0.86%)
May 04, 2011	22.99	23.05	22.72	22.78	4,581,804	+0.11(+0.48%)
May 03, 2011	22.57	22.76	22.54	22.67	4,791,141	-0.03(-0.14%)
May 02, 2011	22.71	22.75	22.70	22.70	4,065,288	-0.02(-0.09%)
Apr 29, 2011	22.58	22.74	22.52	22.72	3,944,346	+0.06(+0.25%)
Apr 28, 2011	22.67	22.75	22.55	22.67	16,410,958	+0.23(+1.02%)
Apr 27, 2011	21.99	22.49	21.92	22.44	15,218,367	+0.72(+3.33%)
Apr 26, 2011	21.38	21.75	21.32	21.72	4,335,152	+0.22(+1.04%)
Apr 25, 2011	21.45	21.53	21.42	21.49	1,963,808	-0.05(-0.22%)
Apr 21, 2011	21.66	21.66	21.43	21.54	2,398,644	-0.03(-0.14%)
Apr 20, 2011	21.55	21.62	21.49	21.57	4,278,948	+0.40(+1.89%)
Apr 19, 2011	21.14	21.19	21.05	21.17	3,488,830	+0.10(+0.47%)
Apr 18, 2011	21.13	21.16	20.94	21.07	3,085,525	-0.34(-1.58%)
Apr 15, 2011	21.43	21.49	21.36	21.41	3,975,053	+0.20(+0.93%)
Apr 14, 2011	21.17	21.31	21.14	21.21	4,911,253	+0.13(+0.62%)
Apr 13, 2011	21.16	21.22	21.04	21.08	4,243,601	+0.14(+0.65%)
Apr 12, 2011	20.96	21.02	20.87	20.94	4,632,733	+0.11(+0.55%)
Apr 11, 2011	20.93	21.01	20.79	20.83	3,510,699	+0.05(+0.25%)
Apr 08, 2011	20.91	20.93	20.70	20.78	4,340,260	-0.02(-0.10%)
Apr 07, 2011	20.78	20.84	20.70	20.80	4,317,949	+0.12(+0.60%)
Apr 06, 2011	20.59	20.72	20.56	20.67	3,831,372	+0.05(+0.25%)
Apr 05, 2011	20.64	20.71	20.52	20.62	4,971,210	+0.17(+0.81%)
Apr 04, 2011	20.59	20.59	20.40	20.46	4,948,472	+0.27(+1.34%)
Apr 01, 2011	20.03	20.20	20.01	20.18	2,966,602	+0.19(+0.96%)
Mar 31, 2011	20.12	20.16	19.90	19.99	5,349,823	-0.04(-0.18%)
Mar 30, 2011	20.03	20.03	20.03	20.03	3,825,162	+0.18(+0.89%)
Mar 29, 2011	19.67	19.86	19.61	19.85	3,952,546	+0.17(+0.87%)
Mar 28, 2011	19.82	19.85	19.64	19.68	3,596,780	+0.05(+0.24%)
Mar 25, 2011	19.69	19.79	19.62	19.63	4,151,762	+0.05(+0.24%)
Mar 24, 2011	19.50	19.67	19.47	19.59	4,193,314	+0.01(+0.03%)
Mar 23, 2011	19.56	19.63	19.53	19.58	4,413,475	-0.19(-0.95%)
Mar 22, 2011	19.82	19.83	19.70	19.77	2,856,630	+0.09(+0.45%)
Mar 21, 2011	19.64	19.70	19.61	19.68	2,919,410	+0.24(+1.26%)
Mar 18, 2011	19.45	19.48	19.35	19.44	4,567,778	+0.00(+0.00%)
Mar 17, 2011	19.30	19.56	19.27	19.44	5,073,110	+0.39(+2.02%)
Mar 16, 2011	19.35	19.42	18.94	19.05	8,441,321	-0.53(-2.69%)
Mar 15, 2011	19.49	19.63	19.49	19.58	4,762,265	-0.50(-2.51%)
Mar 14, 2011	20.10	20.18	19.95	20.08	4,542,438	-0.08(-0.41%)
Mar 11, 2011	20.00	20.21	19.95	20.16	4,249,101	+0.18(+0.89%)
Mar 10, 2011	20.13	20.15	19.91	19.99	5,995,729	-0.09(-0.47%)
Mar 09, 2011	20.10	20.15	20.01	20.08	4,626,312	+0.22(+1.10%)
Mar 08, 2011	19.81	19.96	19.78	19.86	3,088,453	-0.04(-0.18%)
Mar 07, 2011	20.14	20.16	19.82	19.90	2,567,525	-0.13(-0.65%)
Mar 04, 2011	20.13	20.15	19.87	20.03	3,634,283	+0.04(+0.21%)
Mar 03, 2011	19.88	20.03	19.80	19.99	3,132,537	+0.18(+0.89%)
Mar 02, 2011	19.85	19.95	19.73	19.81	2,393,359	-0.05(-0.26%)

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