Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	41.63	41.80	41.55	41.58	147,184	+0.23(+0.56%)
May 23, 2011	41.66	41.76	41.21	41.35	959,342	-1.13(-2.66%)
May 20, 2011	42.56	42.66	42.35	42.48	175,762	-0.18(-0.42%)
May 19, 2011	42.30	42.70	42.26	42.66	182,946	+0.03(+0.07%)
May 18, 2011	42.44	42.75	42.17	42.63	314,971	+0.48(+1.14%)
May 17, 2011	42.06	42.15	41.80	42.15	388,417	-0.35(-0.82%)
May 16, 2011	42.38	42.72	42.35	42.50	750,811	+0.68(+1.63%)
May 13, 2011	42.26	42.35	41.59	41.82	735,781	-0.23(-0.55%)
May 12, 2011	41.78	42.16	41.70	42.05	416,910	+0.47(+1.13%)
May 11, 2011	41.67	41.93	41.45	41.58	2,263,792	+0.17(+0.41%)
May 10, 2011	41.35	41.50	41.23	41.41	979,905	-0.09(-0.22%)
May 09, 2011	41.03	41.50	40.98	41.50	377,146	+0.22(+0.53%)
May 06, 2011	41.35	41.76	40.90	41.28	1,512,061	+0.44(+1.08%)
May 05, 2011	40.88	41.10	40.77	40.84	1,010,696	-0.43(-1.04%)
May 04, 2011	41.68	41.78	41.15	41.27	450,846	-0.30(-0.72%)
May 03, 2011	41.27	41.69	41.23	41.57	177,341	+0.60(+1.46%)
May 02, 2011	40.96	40.98	40.91	40.97	422,880	+0.44(+1.09%)
Apr 29, 2011	39.93	40.68	39.93	40.53	989,190	+0.73(+1.83%)
Apr 28, 2011	39.47	39.90	39.45	39.80	1,027,969	+0.34(+0.86%)
Apr 27, 2011	38.86	39.55	38.68	39.46	688,055	+0.52(+1.34%)
Apr 26, 2011	38.75	38.95	38.64	38.94	316,568	+0.42(+1.09%)
Apr 25, 2011	38.75	38.75	38.50	38.52	287,173	-0.06(-0.16%)
Apr 21, 2011	38.84	38.91	38.50	38.58	451,600	+0.11(+0.29%)
Apr 20, 2011	38.09	38.48	37.97	38.47	878,023	+1.38(+3.72%)
Apr 19, 2011	37.02	37.19	37.01	37.09	1,518,970	+0.00(+0.00%)
Apr 18, 2011	37.06	37.19	36.71	37.09	279,013	-0.24(-0.64%)
Apr 15, 2011	37.35	37.43	37.23	37.33	175,903	+0.09(+0.24%)
Apr 14, 2011	36.98	37.33	36.91	37.24	252,137	+0.13(+0.35%)
Apr 13, 2011	37.10	37.31	36.97	37.11	696,619	-0.16(-0.43%)
Apr 12, 2011	37.32	37.46	37.21	37.27	944,176	+0.22(+0.59%)
Apr 11, 2011	37.03	37.10	36.88	37.05	751,324	+0.30(+0.82%)
Apr 08, 2011	36.81	36.81	36.55	36.75	861,414	+0.12(+0.33%)
Apr 07, 2011	36.40	36.67	36.40	36.63	1,769,940	+0.46(+1.27%)
Apr 06, 2011	36.17	36.41	36.09	36.17	783,701	+0.22(+0.61%)
Apr 05, 2011	35.78	36.04	35.76	35.95	273,226	-0.12(-0.33%)
Apr 04, 2011	36.17	36.34	36.00	36.07	2,233,672	-0.10(-0.28%)
Apr 01, 2011	35.72	36.22	35.59	36.17	424,977	+0.22(+0.61%)
Mar 31, 2011	35.93	36.13	35.74	35.95	2,545,592	+0.04(+0.11%)
Mar 30, 2011	35.91	35.91	35.91	35.91	2,172,744	+0.47(+1.33%)
Mar 29, 2011	35.30	35.54	35.29	35.44	344,302	+0.01(+0.03%)
Mar 28, 2011	35.62	35.76	35.41	35.43	535,603	-0.22(-0.62%)
Mar 25, 2011	35.64	35.73	35.40	35.65	1,325,365	-0.29(-0.81%)
Mar 24, 2011	35.92	36.07	35.76	35.94	419,858	+0.15(+0.42%)
Mar 23, 2011	35.87	35.91	35.67	35.79	428,898	+0.09(+0.25%)
Mar 22, 2011	35.62	35.71	35.54	35.70	982,818	+0.51(+1.45%)
Mar 21, 2011	35.19	35.33	35.16	35.19	265,235	+0.37(+1.06%)
Mar 18, 2011	34.86	34.93	34.68	34.82	607,494	-0.13(-0.37%)
Mar 17, 2011	34.91	35.07	34.76	34.95	403,712	+0.70(+2.04%)
Mar 16, 2011	34.46	34.72	34.02	34.25	365,990	-0.37(-1.07%)
Mar 15, 2011	34.52	34.81	34.35	34.62	669,737	-0.86(-2.42%)
Mar 14, 2011	35.48	35.61	35.34	35.48	424,030	-0.07(-0.20%)
Mar 11, 2011	35.32	35.61	35.30	35.55	418,425	+0.19(+0.54%)
Mar 10, 2011	35.48	35.70	35.31	35.36	153,717	-0.08(-0.23%)
Mar 09, 2011	35.59	35.64	35.37	35.44	1,953,047	+0.18(+0.51%)
Mar 08, 2011	35.33	36.49	35.18	35.26	817,710	-0.16(-0.45%)
Mar 07, 2011	35.81	35.86	35.40	35.42	535,797	-0.74(-2.05%)
Mar 04, 2011	36.31	36.36	35.93	36.16	145,440	-0.08(-0.22%)
Mar 03, 2011	36.24	36.30	36.01	36.24	998,825	-1.26(-3.36%)
Mar 02, 2011	37.50	37.61	37.30	37.50	825,716	-0.08(-0.21%)

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