Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	74.05	74.28	74.02	74.22	825,989	+0.08(+0.10%)
May 23, 2011	74.34	74.36	74.11	74.15	1,199,274	+0.10(+0.14%)
May 20, 2011	73.87	74.07	73.86	74.05	865,232	+0.18(+0.24%)
May 19, 2011	73.51	73.90	73.48	73.87	927,932	+0.08(+0.10%)
May 18, 2011	74.14	74.16	73.79	73.79	1,021,714	-0.43(-0.57%)
May 17, 2011	74.16	74.27	74.07	74.22	1,274,506	+0.22(+0.29%)
May 16, 2011	73.84	74.02	73.72	74.00	763,353	+0.18(+0.24%)
May 13, 2011	73.73	74.07	73.70	73.82	638,824	+0.29(+0.39%)
May 12, 2011	73.72	73.79	73.43	73.54	842,861	-0.16(-0.22%)
May 11, 2011	73.40	73.73	73.33	73.70	789,545	+0.26(+0.36%)
May 10, 2011	73.63	73.67	73.41	73.43	854,838	-0.36(-0.48%)
May 09, 2011	73.70	73.82	73.68	73.79	722,974	+0.11(+0.15%)
May 06, 2011	73.34	73.82	73.30	73.68	1,337,904	+0.04(+0.05%)
May 05, 2011	73.44	73.67	73.40	73.64	1,160,800	+0.36(+0.50%)
May 04, 2011	73.10	73.35	73.10	73.28	1,511,185	+0.19(+0.25%)
May 03, 2011	73.06	73.13	72.96	73.09	2,145,874	+0.19(+0.27%)
May 02, 2011	72.95	72.97	72.90	72.90	816,935	-0.02(-0.03%)
Apr 29, 2011	72.68	72.93	72.65	72.92	564,319	+0.15(+0.20%)
Apr 28, 2011	72.70	72.83	72.56	72.78	1,263,756	+0.28(+0.38%)
Apr 27, 2011	72.46	72.54	72.30	72.50	1,787,027	-0.21(-0.29%)
Apr 26, 2011	72.48	72.71	72.44	72.71	673,152	+0.31(+0.43%)
Apr 25, 2011	72.23	72.42	72.19	72.40	1,070,487	+0.25(+0.35%)
Apr 21, 2011	72.15	72.32	72.12	72.14	868,662	+0.05(+0.07%)
Apr 20, 2011	72.27	72.29	72.07	72.09	917,419	-0.29(-0.39%)
Apr 19, 2011	72.27	72.44	72.25	72.38	689,168	+0.09(+0.13%)
Apr 18, 2011	72.05	72.37	71.90	72.28	1,168,970	+0.18(+0.25%)
Apr 15, 2011	72.00	72.14	71.90	72.10	1,141,804	+0.52(+0.73%)
Apr 14, 2011	71.94	71.94	71.58	71.58	1,342,433	-0.24(-0.33%)
Apr 13, 2011	71.39	71.82	71.37	71.82	879,224	+0.28(+0.39%)
Apr 12, 2011	71.44	71.69	71.43	71.54	1,367,165	+0.40(+0.56%)
Apr 11, 2011	71.07	71.22	70.99	71.14	471,786	+0.09(+0.13%)
Apr 08, 2011	71.02	71.18	70.97	71.05	770,854	-0.21(-0.29%)
Apr 07, 2011	71.26	71.39	71.11	71.26	963,518	+0.01(+0.01%)
Apr 06, 2011	71.46	71.46	71.22	71.25	1,110,854	-0.31(-0.43%)
Apr 05, 2011	71.81	71.86	71.49	71.56	1,006,980	-0.36(-0.50%)
Apr 04, 2011	71.86	72.03	71.80	71.92	1,147,919	+0.16(+0.23%)
Apr 01, 2011	71.43	71.76	71.41	71.76	1,376,648	+0.15(+0.21%)
Mar 31, 2011	71.91	71.94	71.57	71.60	1,419,757	-0.18(-0.26%)
Mar 30, 2011	71.56	71.81	71.54	71.79	1,004,692	+0.25(+0.34%)
Mar 29, 2011	71.67	71.85	71.44	71.54	1,360,323	-0.21(-0.29%)
Mar 28, 2011	71.63	71.81	71.56	71.75	824,584	+0.02(+0.03%)
Mar 25, 2011	72.04	72.07	71.67	71.73	1,016,178	-0.19(-0.27%)
Mar 24, 2011	72.08	72.18	71.89	71.92	1,426,346	-0.37(-0.51%)
Mar 23, 2011	72.59	72.62	72.20	72.29	905,107	-0.09(-0.13%)
Mar 22, 2011	72.21	72.39	72.20	72.38	744,899	+0.04(+0.05%)
Mar 21, 2011	72.32	72.51	72.31	72.34	1,336,590	-0.38(-0.52%)
Mar 18, 2011	72.54	72.77	72.52	72.72	1,965,493	-0.05(-0.06%)
Mar 17, 2011	72.77	72.92	72.57	72.77	831,179	-0.37(-0.51%)
Mar 16, 2011	72.74	73.36	72.61	73.14	2,063,659	+0.76(+1.05%)
Mar 15, 2011	72.57	72.63	72.34	72.37	2,158,543	+0.26(+0.36%)
Mar 14, 2011	72.17	72.35	72.11	72.11	1,047,152	+0.16(+0.22%)
Mar 11, 2011	72.13	72.16	71.85	71.95	897,176	-0.17(-0.23%)
Mar 10, 2011	71.70	72.12	71.60	72.12	2,047,729	+0.61(+0.85%)
Mar 09, 2011	71.26	71.64	71.17	71.51	813,137	+0.42(+0.58%)
Mar 08, 2011	71.23	71.30	71.09	71.10	698,900	-0.17(-0.24%)
Mar 07, 2011	71.14	71.52	71.10	71.27	635,952	-0.18(-0.25%)
Mar 04, 2011	71.10	71.46	71.08	71.44	827,771	+0.51(+0.72%)
Mar 03, 2011	71.17	71.21	70.92	70.93	801,127	-0.48(-0.68%)
Mar 02, 2011	71.67	71.82	71.42	71.42	552,445	-0.38(-0.53%)

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