Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	75.37	75.55	75.37	75.53	703,557	+0.06(+0.08%)
Apr 28, 2011	75.40	75.48	75.32	75.47	807,777	+0.18(+0.24%)
Apr 27, 2011	75.22	75.31	75.11	75.29	667,049	-0.06(-0.08%)
Apr 26, 2011	75.14	75.35	75.14	75.35	802,989	+0.28(+0.37%)
Apr 25, 2011	75.01	75.15	74.99	75.08	763,390	+0.04(+0.06%)
Apr 21, 2011	74.99	75.08	74.97	75.03	631,061	+0.05(+0.07%)
Apr 20, 2011	75.03	75.08	74.95	74.98	547,979	-0.11(-0.14%)
Apr 19, 2011	75.07	75.12	75.03	75.09	663,529	+0.15(+0.20%)
Apr 18, 2011	74.84	75.03	74.80	74.94	1,015,363	+0.13(+0.17%)
Apr 15, 2011	74.71	74.86	74.71	74.81	551,183	+0.27(+0.36%)
Apr 14, 2011	74.63	74.68	74.54	74.54	921,890	-0.07(-0.10%)
Apr 13, 2011	74.42	74.66	74.42	74.61	749,087	+0.08(+0.10%)
Apr 12, 2011	74.37	74.58	74.37	74.54	793,476	+0.28(+0.38%)
Apr 11, 2011	74.21	74.32	74.18	74.25	545,390	+0.07(+0.10%)
Apr 08, 2011	74.22	74.27	74.16	74.18	553,723	-0.14(-0.19%)
Apr 07, 2011	74.27	74.44	74.25	74.32	960,817	+0.11(+0.15%)
Apr 06, 2011	74.42	74.43	74.21	74.21	1,381,841	-0.22(-0.30%)
Apr 05, 2011	74.56	74.57	74.39	74.43	1,130,247	-0.16(-0.21%)
Apr 04, 2011	74.52	74.67	74.51	74.59	729,294	+0.12(+0.16%)
Apr 01, 2011	74.29	74.52	74.27	74.47	1,386,508	+0.10(+0.14%)
Mar 31, 2011	74.53	74.56	74.36	74.36	1,434,016	-0.08(-0.11%)
Mar 30, 2011	74.45	74.45	74.45	74.45	1,118,929	+0.13(+0.17%)
Mar 29, 2011	74.36	74.49	74.29	74.32	760,685	-0.09(-0.12%)
Mar 28, 2011	74.36	74.46	74.33	74.41	2,040,721	-0.04(-0.05%)
Mar 25, 2011	74.65	74.65	74.40	74.45	1,146,795	-0.06(-0.09%)
Mar 24, 2011	74.60	74.65	74.47	74.51	2,219,448	-0.21(-0.27%)
Mar 23, 2011	74.86	74.87	74.68	74.72	667,572	-0.04(-0.05%)
Mar 22, 2011	74.67	74.79	74.65	74.75	854,947	+0.01(+0.01%)
Mar 21, 2011	74.74	74.83	74.72	74.75	651,476	-0.18(-0.24%)
Mar 18, 2011	74.85	74.95	74.79	74.92	541,201	-0.03(-0.04%)
Mar 17, 2011	74.89	75.04	74.80	74.95	826,669	-0.18(-0.24%)
Mar 16, 2011	74.95	75.36	74.88	75.13	1,430,886	+0.34(+0.45%)
Mar 15, 2011	74.93	74.95	74.77	74.79	950,747	+0.03(+0.04%)
Mar 14, 2011	74.85	74.97	74.76	74.76	587,945	+0.04(+0.06%)
Mar 11, 2011	74.73	74.80	74.63	74.72	669,749	+0.01(+0.02%)
Mar 10, 2011	74.56	74.74	74.47	74.70	661,458	+0.26(+0.35%)
Mar 09, 2011	74.31	74.53	74.24	74.44	834,919	+0.18(+0.24%)
Mar 08, 2011	74.32	74.32	74.20	74.27	745,301	-0.06(-0.08%)
Mar 07, 2011	74.23	74.43	74.14	74.32	878,064	+0.04(+0.05%)
Mar 04, 2011	74.19	74.35	74.17	74.29	1,076,713	+0.20(+0.27%)
Mar 03, 2011	74.21	74.22	74.05	74.09	874,629	-0.26(-0.35%)
Mar 02, 2011	74.49	74.55	74.34	74.35	715,614	-0.12(-0.16%)
Mar 01, 2011	74.34	74.54	74.31	74.47	1,040,037	-0.06(-0.08%)
Feb 28, 2011	74.45	74.53	74.40	74.53	791,239	+0.14(+0.19%)
Feb 25, 2011	74.26	74.40	74.25	74.39	768,213	+0.20(+0.27%)
Feb 24, 2011	74.24	74.31	74.19	74.19	1,609,256	+0.01(+0.02%)
Feb 23, 2011	74.21	74.28	74.10	74.18	1,002,153	+0.06(+0.08%)
Feb 22, 2011	73.94	74.17	73.93	74.12	1,464,845	+0.27(+0.36%)
Feb 18, 2011	73.77	73.88	73.72	73.85	984,258	-0.03(-0.04%)
Feb 17, 2011	73.86	73.95	73.83	73.88	859,360	+0.18(+0.24%)
Feb 16, 2011	73.71	73.83	73.65	73.71	672,980	+0.00(+0.00%)
Feb 15, 2011	73.61	73.71	73.59	73.71	727,853	+0.09(+0.12%)
Feb 14, 2011	73.51	73.68	73.51	73.61	1,452,780	+0.04(+0.05%)
Feb 11, 2011	73.59	73.62	73.42	73.58	1,130,015	+0.29(+0.39%)
Feb 10, 2011	73.44	73.49	73.26	73.29	738,141	-0.21(-0.29%)
Feb 09, 2011	73.39	73.59	73.32	73.50	734,417	+0.13(+0.18%)
Feb 08, 2011	73.59	73.59	73.30	73.37	1,050,328	-0.21(-0.29%)
Feb 07, 2011	73.49	73.60	73.44	73.58	857,057	+0.03(+0.04%)
Feb 04, 2011	73.70	73.81	73.51	73.55	1,582,808	-0.25(-0.33%)
Feb 03, 2011	73.92	73.98	73.80	73.80	1,293,201	-0.28(-0.37%)
Feb 02, 2011	74.18	74.23	73.99	74.07	727,117	-0.08(-0.11%)

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