Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.57	20.64	19.64	20.08	412,159,680	-0.61(-2.96%)
Apr 28, 2011	20.50	20.81	20.45	20.69	103,268,072	+0.26(+1.25%)
Apr 27, 2011	20.37	20.44	20.24	20.43	68,037,824	+0.15(+0.73%)
Apr 26, 2011	19.94	20.48	19.88	20.29	89,345,616	+0.45(+2.26%)
Apr 25, 2011	19.71	19.85	19.63	19.84	43,265,320	+0.07(+0.35%)
Apr 21, 2011	19.98	20.05	19.64	19.77	60,537,240	-0.19(-0.93%)
Apr 20, 2011	19.78	20.14	19.76	19.95	79,552,040	+0.47(+2.43%)
Apr 19, 2011	19.37	19.50	19.26	19.48	50,185,412	+0.05(+0.28%)
Apr 18, 2011	19.44	19.58	19.15	19.43	74,930,008	-0.22(-1.14%)
Apr 15, 2011	19.72	19.80	19.50	19.65	84,017,744	-0.04(-0.20%)
Apr 14, 2011	19.69	19.71	19.43	19.69	71,313,784	-0.16(-0.82%)
Apr 13, 2011	19.87	20.04	19.80	19.85	49,230,852	-0.01(-0.04%)
Apr 12, 2011	20.01	20.02	19.79	19.86	47,683,320	-0.26(-1.31%)
Apr 11, 2011	20.29	20.33	19.98	20.12	44,239,528	-0.07(-0.35%)
Apr 08, 2011	20.27	20.36	20.11	20.19	51,498,196	-0.10(-0.50%)
Apr 07, 2011	20.29	20.34	20.12	20.29	59,555,716	+0.04(+0.19%)
Apr 06, 2011	20.12	20.38	20.03	20.26	84,664,592	+0.29(+1.44%)
Apr 05, 2011	20.00	20.28	19.94	19.97	95,136,168	+0.18(+0.90%)
Apr 04, 2011	19.71	19.88	19.68	19.79	45,749,972	+0.05(+0.27%)
Apr 01, 2011	19.78	19.78	19.61	19.74	81,479,480	+0.07(+0.35%)
Mar 31, 2011	19.83	19.89	19.63	19.67	81,633,632	-0.17(-0.86%)
Mar 30, 2011	19.84	19.92	19.75	19.84	54,220,456	+0.09(+0.47%)
Mar 29, 2011	19.63	19.77	19.60	19.74	52,632,904	+0.06(+0.31%)
Mar 28, 2011	19.88	19.92	19.66	19.68	63,223,568	-0.16(-0.82%)
Mar 25, 2011	20.09	20.10	19.82	19.85	73,626,192	-0.15(-0.74%)
Mar 24, 2011	19.83	20.04	19.75	19.99	49,985,096	+0.21(+1.06%)
Mar 23, 2011	19.54	19.84	19.50	19.78	56,763,304	+0.19(+0.97%)
Mar 22, 2011	19.60	19.72	19.54	19.59	39,885,752	-0.03(-0.14%)
Mar 21, 2011	19.59	19.81	19.48	19.62	60,518,692	+0.41(+2.14%)
Mar 18, 2011	19.41	19.50	19.21	19.21	110,362,024	+0.02(+0.08%)
Mar 17, 2011	19.41	19.54	19.17	19.19	80,677,872	-0.01(-0.04%)
Mar 16, 2011	19.54	19.58	19.12	19.20	129,982,168	-0.46(-2.36%)
Mar 15, 2011	19.43	19.73	19.37	19.67	98,129,808	-0.23(-1.17%)
Mar 14, 2011	19.74	19.95	19.64	19.90	70,323,920	+0.01(+0.04%)
Mar 11, 2011	19.68	20.02	19.64	19.89	64,428,984	+0.21(+1.06%)
Mar 10, 2011	19.85	19.91	19.64	19.68	85,910,432	-0.37(-1.85%)
Mar 09, 2011	19.99	20.12	19.88	20.05	51,366,776	-0.02(-0.08%)
Mar 08, 2011	19.96	20.16	19.87	20.07	65,261,868	+0.15(+0.74%)
Mar 07, 2011	20.24	20.35	19.79	19.92	83,888,680	-0.18(-0.90%)
Mar 04, 2011	20.31	20.33	19.98	20.10	90,933,296	-0.19(-0.94%)
Mar 03, 2011	20.34	20.45	20.28	20.29	88,106,136	+0.09(+0.47%)
Mar 02, 2011	20.22	20.43	20.17	20.20	62,798,424	-0.06(-0.32%)
Mar 01, 2011	20.60	20.74	20.26	20.26	77,515,280	-0.33(-1.58%)
Feb 28, 2011	20.67	20.81	20.53	20.59	66,314,452	+0.02(+0.11%)
Feb 25, 2011	20.84	20.88	20.53	20.57	68,419,376	-0.17(-0.82%)
Feb 24, 2011	20.64	20.96	20.53	20.74	83,264,008	+0.14(+0.68%)
Feb 23, 2011	20.55	20.81	20.47	20.60	77,733,744	+0.00(+0.00%)
Feb 22, 2011	20.74	20.99	20.54	20.60	78,524,744	-0.36(-1.74%)
Feb 18, 2011	21.02	21.08	20.91	20.96	88,656,648	-0.12(-0.55%)
Feb 17, 2011	20.89	21.20	20.84	21.08	73,853,640	+0.15(+0.70%)
Feb 16, 2011	20.95	20.97	20.60	20.93	91,421,312	+0.05(+0.22%)
Feb 15, 2011	20.95	21.17	20.88	20.88	56,952,716	-0.09(-0.41%)
Feb 14, 2011	20.95	21.00	20.75	20.97	73,703,880	-0.02(-0.07%)
Feb 11, 2011	21.38	21.41	20.85	20.98	109,005,304	-0.19(-0.91%)
Feb 10, 2011	21.51	21.52	21.01	21.18	99,560,288	-0.36(-1.68%)
Feb 09, 2011	21.71	21.76	21.49	21.54	68,663,880	-0.24(-1.11%)
Feb 08, 2011	21.64	21.82	21.60	21.78	45,331,124	+0.07(+0.30%)
Feb 07, 2011	21.41	21.82	21.40	21.71	89,557,224	+0.33(+1.54%)
Feb 04, 2011	21.33	21.44	21.18	21.38	52,485,656	+0.09(+0.43%)
Feb 03, 2011	21.53	21.54	21.21	21.29	78,344,944	-0.22(-1.04%)
Feb 02, 2011	21.51	21.65	21.47	21.52	59,516,956	-0.04(-0.19%)

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