Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	43.96	44.03	43.87	43.94	37,609	+0.06(+0.14%)
Apr 28, 2011	43.67	43.91	43.66	43.88	24,964	+0.16(+0.36%)
Apr 27, 2011	43.56	43.75	43.35	43.72	31,564	+0.29(+0.68%)
Apr 26, 2011	43.26	43.56	43.22	43.43	26,311	+0.33(+0.76%)
Apr 25, 2011	43.12	43.15	42.97	43.10	29,573	-0.12(-0.28%)
Apr 21, 2011	43.15	43.22	43.03	43.22	44,885	+0.36(+0.83%)
Apr 20, 2011	42.81	42.94	42.76	42.86	49,094	+0.61(+1.46%)
Apr 19, 2011	42.10	42.25	41.99	42.25	25,760	+0.21(+0.49%)
Apr 18, 2011	42.02	42.07	41.62	42.04	39,420	-0.32(-0.76%)
Apr 15, 2011	42.41	42.51	42.21	42.36	58,533	+0.01(+0.03%)
Apr 14, 2011	42.07	42.41	41.99	42.35	61,375	+0.01(+0.01%)
Apr 13, 2011	42.48	42.48	42.17	42.34	34,597	+0.10(+0.23%)
Apr 12, 2011	42.30	42.30	42.09	42.25	45,428	-0.25(-0.59%)
Apr 11, 2011	42.60	42.74	42.41	42.50	23,623	-0.05(-0.12%)
Apr 08, 2011	42.98	42.98	42.42	42.55	25,123	-0.22(-0.51%)
Apr 07, 2011	42.82	42.98	42.61	42.77	47,599	-0.05(-0.12%)
Apr 06, 2011	42.99	43.03	42.69	42.82	47,544	+0.08(+0.18%)
Apr 05, 2011	42.72	42.93	42.71	42.74	26,658	-0.02(-0.04%)
Apr 04, 2011	42.92	42.93	42.70	42.76	35,683	-0.03(-0.08%)
Apr 01, 2011	42.89	42.99	42.67	42.79	37,792	+0.18(+0.43%)
Mar 31, 2011	42.62	42.71	42.57	42.61	33,894	-0.04(-0.10%)
Mar 30, 2011	42.66	42.74	42.51	42.66	40,861	+0.23(+0.55%)
Mar 29, 2011	42.08	42.42	42.01	42.42	48,548	+0.36(+0.86%)
Mar 28, 2011	42.28	42.35	42.06	42.06	12,808	-0.09(-0.21%)
Mar 25, 2011	42.25	42.33	42.14	42.14	97,773	+0.08(+0.19%)
Mar 24, 2011	41.86	42.07	41.61	42.06	36,375	+0.51(+1.23%)
Mar 23, 2011	41.29	41.67	41.11	41.55	52,556	+0.17(+0.42%)
Mar 22, 2011	41.50	41.52	41.32	41.38	25,385	-0.12(-0.29%)
Mar 21, 2011	41.53	41.53	41.41	41.50	30,486	+0.66(+1.61%)
Mar 18, 2011	41.23	41.23	40.75	40.84	104,302	+0.04(+0.11%)
Mar 17, 2011	40.92	41.00	40.64	40.80	724,029	+0.48(+1.20%)
Mar 16, 2011	41.04	41.05	40.11	40.32	78,297	-0.83(-2.02%)
Mar 15, 2011	40.95	41.33	40.91	41.15	91,559	-0.43(-1.04%)
Mar 14, 2011	41.55	41.72	41.27	41.58	56,021	-0.28(-0.66%)
Mar 11, 2011	41.37	41.98	41.37	41.86	55,557	+0.29(+0.69%)
Mar 10, 2011	41.85	41.90	41.53	41.57	47,683	-0.72(-1.71%)
Mar 09, 2011	42.32	42.39	42.11	42.29	24,007	-0.13(-0.30%)
Mar 08, 2011	42.15	42.49	41.93	42.42	47,079	+0.35(+0.84%)
Mar 07, 2011	42.66	42.71	41.90	42.06	44,796	-0.44(-1.04%)
Mar 04, 2011	42.78	42.78	42.25	42.50	39,680	-0.27(-0.63%)
Mar 03, 2011	42.46	42.82	42.39	42.77	36,231	+0.71(+1.68%)
Mar 02, 2011	42.03	42.21	41.87	42.06	66,022	+0.06(+0.14%)
Mar 01, 2011	42.85	42.86	41.94	42.00	175,776	-0.66(-1.54%)
Feb 28, 2011	42.69	42.73	42.45	42.66	41,389	+0.19(+0.45%)
Feb 25, 2011	42.28	42.53	42.24	42.47	64,159	+0.47(+1.11%)
Feb 24, 2011	41.93	42.15	41.61	42.00	55,364	+0.01(+0.02%)
Feb 23, 2011	42.25	42.37	41.70	41.99	57,431	-0.31(-0.74%)
Feb 22, 2011	42.86	43.02	42.21	42.31	70,373	-1.05(-2.42%)
Feb 18, 2011	43.38	43.43	43.20	43.36	59,227	+0.04(+0.10%)
Feb 17, 2011	43.07	43.32	43.02	43.32	45,292	+0.08(+0.18%)
Feb 16, 2011	43.15	43.29	43.03	43.24	59,147	+0.26(+0.60%)
Feb 15, 2011	43.03	43.03	42.87	42.98	33,645	-0.10(-0.24%)
Feb 14, 2011	43.06	43.12	42.99	43.08	108,635	+0.05(+0.12%)
Feb 11, 2011	42.70	43.06	42.63	43.03	74,692	+0.32(+0.75%)
Feb 10, 2011	42.54	42.77	42.46	42.71	45,462	-0.08(-0.18%)
Feb 09, 2011	42.78	42.92	42.63	42.79	58,863	-0.08(-0.18%)
Feb 08, 2011	42.73	42.87	42.61	42.87	50,035	+0.22(+0.51%)
Feb 07, 2011	42.57	42.80	42.56	42.65	80,387	+0.22(+0.53%)
Feb 04, 2011	42.31	42.43	42.21	42.43	42,786	+0.15(+0.35%)
Feb 03, 2011	42.22	42.31	41.91	42.28	78,328	+0.10(+0.25%)
Feb 02, 2011	42.18	42.26	42.09	42.18	45,109	-0.09(-0.20%)

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