Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.60	20.67	19.68	20.11	411,409,056	-0.61(-2.96%)
Apr 28, 2011	20.53	20.85	20.49	20.73	103,080,008	+0.26(+1.25%)
Apr 27, 2011	20.41	20.48	20.28	20.47	67,913,912	+0.15(+0.73%)
Apr 26, 2011	19.97	20.52	19.92	20.32	89,182,904	+0.45(+2.26%)
Apr 25, 2011	19.75	19.88	19.66	19.87	43,186,528	+0.07(+0.35%)
Apr 21, 2011	20.01	20.09	19.68	19.80	60,426,992	-0.19(-0.93%)
Apr 20, 2011	19.82	20.18	19.80	19.99	79,407,168	+0.47(+2.43%)
Apr 19, 2011	19.40	19.53	19.30	19.52	50,094,016	+0.05(+0.28%)
Apr 18, 2011	19.48	19.62	19.18	19.46	74,793,552	-0.23(-1.14%)
Apr 15, 2011	19.76	19.84	19.54	19.69	83,864,736	-0.04(-0.20%)
Apr 14, 2011	19.73	19.74	19.47	19.73	71,183,912	-0.16(-0.82%)
Apr 13, 2011	19.90	20.08	19.84	19.89	49,141,196	-0.01(-0.04%)
Apr 12, 2011	20.04	20.06	19.83	19.90	47,596,484	-0.26(-1.31%)
Apr 11, 2011	20.32	20.37	20.02	20.16	44,158,960	-0.07(-0.35%)
Apr 08, 2011	20.31	20.39	20.15	20.23	51,404,412	-0.10(-0.50%)
Apr 07, 2011	20.32	20.38	20.15	20.33	59,447,256	+0.04(+0.19%)
Apr 06, 2011	20.16	20.42	20.07	20.29	84,510,408	+0.29(+1.44%)
Apr 05, 2011	20.04	20.32	19.97	20.01	94,962,912	+0.18(+0.90%)
Apr 04, 2011	19.75	19.91	19.72	19.83	45,666,656	+0.05(+0.27%)
Apr 01, 2011	19.81	19.81	19.64	19.77	81,331,096	+0.07(+0.35%)
Mar 31, 2011	19.87	19.93	19.66	19.70	81,484,968	-0.17(-0.86%)
Mar 30, 2011	19.87	19.96	19.79	19.87	54,121,712	+0.09(+0.47%)
Mar 29, 2011	19.66	19.80	19.63	19.78	52,537,056	+0.06(+0.31%)
Mar 28, 2011	19.91	19.96	19.70	19.72	63,108,428	-0.16(-0.82%)
Mar 25, 2011	20.12	20.14	19.86	19.88	73,492,104	-0.15(-0.74%)
Mar 24, 2011	19.87	20.08	19.79	20.03	49,894,068	+0.21(+1.06%)
Mar 23, 2011	19.58	19.87	19.54	19.82	56,659,932	+0.19(+0.97%)
Mar 22, 2011	19.63	19.76	19.58	19.63	39,813,116	-0.03(-0.14%)
Mar 21, 2011	19.62	19.85	19.52	19.66	60,408,480	+0.41(+2.14%)
Mar 18, 2011	19.45	19.54	19.24	19.25	110,161,040	+0.02(+0.08%)
Mar 17, 2011	19.45	19.57	19.21	19.23	80,530,952	-0.01(-0.04%)
Mar 16, 2011	19.57	19.62	19.15	19.24	129,745,456	-0.47(-2.36%)
Mar 15, 2011	19.46	19.77	19.40	19.70	97,951,096	-0.23(-1.17%)
Mar 14, 2011	19.78	19.99	19.67	19.94	70,195,848	+0.01(+0.04%)
Mar 11, 2011	19.72	20.06	19.68	19.93	64,311,652	+0.21(+1.06%)
Mar 10, 2011	19.88	19.95	19.67	19.72	85,753,976	-0.37(-1.85%)
Mar 09, 2011	20.03	20.16	19.91	20.09	51,273,228	-0.02(-0.08%)
Mar 08, 2011	20.00	20.19	19.90	20.11	65,143,016	+0.15(+0.74%)
Mar 07, 2011	20.28	20.39	19.83	19.96	83,735,912	-0.18(-0.90%)
Mar 04, 2011	20.35	20.36	20.02	20.14	90,767,696	-0.19(-0.94%)
Mar 03, 2011	20.38	20.49	20.32	20.33	87,945,680	+0.10(+0.47%)
Mar 02, 2011	20.26	20.46	20.21	20.24	62,684,060	-0.06(-0.32%)
Mar 01, 2011	20.64	20.78	20.29	20.30	77,374,112	-0.33(-1.58%)
Feb 28, 2011	20.71	20.84	20.57	20.63	66,193,688	+0.02(+0.11%)
Feb 25, 2011	20.88	20.91	20.56	20.60	68,294,776	-0.17(-0.82%)
Feb 24, 2011	20.67	21.00	20.56	20.77	83,112,376	+0.14(+0.68%)
Feb 23, 2011	20.59	20.84	20.51	20.63	77,592,184	+0.00(+0.00%)
Feb 22, 2011	20.78	21.03	20.58	20.63	78,381,736	-0.36(-1.74%)
Feb 18, 2011	21.05	21.12	20.94	21.00	88,495,192	-0.12(-0.55%)
Feb 17, 2011	20.93	21.24	20.88	21.12	73,719,144	+0.15(+0.70%)
Feb 16, 2011	20.99	21.01	20.64	20.97	91,254,824	+0.05(+0.22%)
Feb 15, 2011	20.98	21.21	20.91	20.92	56,849,000	-0.09(-0.41%)
Feb 14, 2011	20.99	21.04	20.79	21.01	73,569,664	-0.02(-0.07%)
Feb 11, 2011	21.42	21.45	20.88	21.02	108,806,800	-0.19(-0.91%)
Feb 10, 2011	21.55	21.55	21.05	21.21	99,378,984	-0.36(-1.68%)
Feb 09, 2011	21.75	21.80	21.53	21.58	68,538,840	-0.24(-1.11%)
Feb 08, 2011	21.68	21.86	21.64	21.82	45,248,576	+0.07(+0.30%)
Feb 07, 2011	21.45	21.86	21.44	21.75	89,394,136	+0.33(+1.54%)
Feb 04, 2011	21.37	21.48	21.22	21.42	52,390,076	+0.09(+0.43%)
Feb 03, 2011	21.57	21.58	21.25	21.33	78,202,272	-0.22(-1.04%)
Feb 02, 2011	21.55	21.69	21.51	21.55	59,408,572	-0.04(-0.19%)

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