Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	39.82	40.10	39.61	39.91	856,297	+0.23(+0.58%)
May 23, 2011	39.84	40.03	39.64	39.68	1,042,741	-0.59(-1.47%)
May 20, 2011	40.70	40.80	40.21	40.27	1,028,612	-0.53(-1.30%)
May 19, 2011	40.99	41.15	40.62	40.80	857,252	-0.07(-0.17%)
May 18, 2011	40.45	41.08	40.14	40.87	1,122,496	+0.42(+1.04%)
May 17, 2011	40.63	40.80	40.25	40.45	1,248,425	-0.36(-0.88%)
May 16, 2011	40.61	41.24	40.44	40.81	1,033,506	+0.01(+0.02%)
May 13, 2011	41.41	41.51	40.76	40.80	1,023,869	-0.61(-1.47%)
May 12, 2011	41.26	41.65	40.86	41.41	1,062,788	-0.26(-0.62%)
May 11, 2011	42.26	42.33	41.59	41.67	1,308,036	-0.60(-1.42%)
May 10, 2011	42.30	42.46	42.19	42.27	1,185,137	+0.17(+0.40%)
May 09, 2011	41.75	42.14	41.45	42.10	695,374	+0.41(+0.98%)
May 06, 2011	42.46	42.51	41.65	41.69	1,648,837	-0.39(-0.93%)
May 05, 2011	42.39	42.58	41.99	42.08	1,368,779	-0.49(-1.15%)
May 04, 2011	42.94	43.00	42.45	42.57	1,025,282	-0.31(-0.72%)
May 03, 2011	42.88	43.04	42.50	42.88	1,034,791	-0.04(-0.09%)
May 02, 2011	42.90	42.93	42.84	42.92	982,059	-0.17(-0.39%)
Apr 29, 2011	43.64	43.64	42.91	43.09	728,299	-0.59(-1.35%)
Apr 28, 2011	43.39	43.87	43.32	43.68	1,059,583	+0.23(+0.53%)
Apr 27, 2011	43.94	43.98	43.26	43.45	1,377,098	-0.47(-1.07%)
Apr 26, 2011	43.00	44.08	42.75	43.92	2,607,117	+1.03(+2.40%)
Apr 25, 2011	42.86	43.19	42.75	42.89	807,121	-0.07(-0.16%)
Apr 21, 2011	42.56	42.97	42.31	42.96	688,425	+0.30(+0.70%)
Apr 20, 2011	42.93	42.99	42.43	42.66	991,301	+0.20(+0.47%)
Apr 19, 2011	42.19	42.65	42.19	42.46	739,035	+0.39(+0.93%)
Apr 18, 2011	41.93	42.15	41.67	42.07	890,582	-0.30(-0.71%)
Apr 15, 2011	42.58	42.82	42.31	42.37	1,650,189	-0.13(-0.31%)
Apr 14, 2011	41.86	42.55	41.77	42.50	778,611	+0.50(+1.19%)
Apr 13, 2011	42.61	42.69	41.87	42.00	999,912	-0.32(-0.76%)
Apr 12, 2011	42.52	42.62	42.06	42.32	870,651	-0.38(-0.89%)
Apr 11, 2011	42.67	43.13	42.59	42.70	681,645	-0.04(-0.09%)
Apr 08, 2011	43.35	43.65	42.63	42.74	855,347	-0.49(-1.13%)
Apr 07, 2011	43.61	43.69	42.90	43.23	939,582	-0.51(-1.17%)
Apr 06, 2011	44.10	44.17	43.55	43.74	867,374	-0.23(-0.52%)
Apr 05, 2011	43.96	44.25	43.73	43.97	733,661	-0.03(-0.07%)
Apr 04, 2011	43.76	44.24	43.70	44.00	935,021	+0.32(+0.73%)
Apr 01, 2011	43.81	44.28	43.52	43.68	1,469,883	+0.07(+0.16%)
Mar 31, 2011	43.03	43.72	43.02	43.61	901,437	+0.47(+1.09%)
Mar 30, 2011	43.14	43.14	43.14	43.14	1,672,737	+0.00(+0.00%)
Mar 29, 2011	42.63	43.18	42.39	43.14	1,371,650	+0.53(+1.24%)
Mar 28, 2011	42.63	42.83	42.45	42.61	993,805	+0.17(+0.40%)
Mar 25, 2011	42.75	42.91	42.41	42.44	1,050,433	-0.30(-0.70%)
Mar 24, 2011	42.65	42.81	42.32	42.74	1,013,012	+0.30(+0.71%)
Mar 23, 2011	42.25	42.61	42.07	42.44	1,318,815	+0.31(+0.74%)
Mar 22, 2011	43.11	43.22	42.12	42.13	1,473,735	-0.85(-1.98%)
Mar 21, 2011	43.03	43.16	42.61	42.98	1,522,349	+0.23(+0.54%)
Mar 18, 2011	42.50	43.08	42.40	42.75	1,455,518	+0.70(+1.66%)
Mar 17, 2011	42.37	42.37	41.72	42.05	1,050,032	+0.45(+1.08%)
Mar 16, 2011	42.08	42.35	41.40	41.60	1,557,200	-0.48(-1.14%)
Mar 15, 2011	42.16	42.40	42.07	42.08	1,886,715	-0.20(-0.47%)
Mar 14, 2011	41.33	42.48	41.29	42.28	1,791,327	+0.76(+1.83%)
Mar 11, 2011	40.35	41.59	40.31	41.52	1,290,494	+0.98(+2.42%)
Mar 10, 2011	40.79	41.02	40.47	40.54	915,722	-0.73(-1.77%)
Mar 09, 2011	41.16	41.33	40.74	41.27	529,406	-0.01(-0.02%)
Mar 08, 2011	40.69	41.39	40.51	41.28	779,346	+0.75(+1.85%)
Mar 07, 2011	41.11	41.17	40.36	40.53	1,049,898	-0.36(-0.88%)
Mar 04, 2011	41.47	41.58	40.71	40.89	1,035,663	-0.52(-1.26%)
Mar 03, 2011	41.52	41.91	41.36	41.41	747,130	+0.23(+0.56%)
Mar 02, 2011	40.86	41.45	40.55	41.18	1,198,913	+0.29(+0.71%)

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