Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	74.24	74.47	74.20	74.41	823,897	+0.08(+0.10%)
May 23, 2011	74.53	74.55	74.30	74.34	1,196,237	+0.10(+0.14%)
May 20, 2011	74.06	74.26	74.05	74.23	863,041	+0.18(+0.24%)
May 19, 2011	73.70	74.09	73.67	74.06	925,582	+0.08(+0.10%)
May 18, 2011	74.33	74.35	73.98	73.98	1,019,126	-0.43(-0.57%)
May 17, 2011	74.35	74.46	74.26	74.40	1,271,279	+0.22(+0.29%)
May 16, 2011	74.03	74.20	73.91	74.19	761,420	+0.18(+0.24%)
May 13, 2011	73.92	74.26	73.89	74.01	637,206	+0.29(+0.39%)
May 12, 2011	73.91	73.98	73.61	73.72	840,726	-0.16(-0.22%)
May 11, 2011	73.59	73.92	73.52	73.89	787,545	+0.26(+0.36%)
May 10, 2011	73.82	73.86	73.60	73.62	852,673	-0.36(-0.48%)
May 09, 2011	73.89	74.01	73.87	73.98	721,143	+0.11(+0.15%)
May 06, 2011	73.53	74.01	73.49	73.87	1,334,516	+0.04(+0.05%)
May 05, 2011	73.63	73.85	73.59	73.83	1,157,860	+0.36(+0.50%)
May 04, 2011	73.29	73.54	73.29	73.47	1,507,357	+0.19(+0.25%)
May 03, 2011	73.25	73.32	73.14	73.28	2,140,440	+0.19(+0.27%)
May 02, 2011	73.14	73.16	73.09	73.09	814,866	-0.02(-0.03%)
Apr 29, 2011	72.86	73.12	72.83	73.11	562,890	+0.15(+0.20%)
Apr 28, 2011	72.88	73.02	72.74	72.96	1,260,556	+0.28(+0.38%)
Apr 27, 2011	72.64	72.72	72.48	72.68	1,782,502	-0.21(-0.29%)
Apr 26, 2011	72.67	72.89	72.63	72.89	671,447	+0.31(+0.43%)
Apr 25, 2011	72.41	72.61	72.37	72.58	1,067,776	+0.26(+0.35%)
Apr 21, 2011	72.33	72.50	72.30	72.33	866,462	+0.05(+0.07%)
Apr 20, 2011	72.46	72.47	72.25	72.27	915,095	-0.29(-0.39%)
Apr 19, 2011	72.46	72.63	72.43	72.56	687,422	+0.09(+0.13%)
Apr 18, 2011	72.23	72.55	72.08	72.47	1,166,010	+0.18(+0.25%)
Apr 15, 2011	72.18	72.32	72.09	72.29	1,138,913	+0.53(+0.73%)
Apr 14, 2011	72.12	72.12	71.76	71.76	1,339,033	-0.24(-0.33%)
Apr 13, 2011	71.58	72.00	71.55	72.00	876,998	+0.28(+0.39%)
Apr 12, 2011	71.62	71.87	71.61	71.72	1,363,703	+0.40(+0.56%)
Apr 11, 2011	71.25	71.41	71.17	71.32	470,591	+0.09(+0.13%)
Apr 08, 2011	71.20	71.36	71.15	71.23	768,902	-0.21(-0.29%)
Apr 07, 2011	71.44	71.57	71.29	71.44	961,078	+0.01(+0.01%)
Apr 06, 2011	71.65	71.65	71.40	71.43	1,108,041	-0.31(-0.43%)
Apr 05, 2011	71.99	72.04	71.67	71.74	1,004,430	-0.36(-0.50%)
Apr 04, 2011	72.04	72.21	71.98	72.10	1,145,012	+0.16(+0.23%)
Apr 01, 2011	71.61	71.94	71.59	71.94	1,373,162	+0.15(+0.21%)
Mar 31, 2011	72.09	72.12	71.76	71.79	1,416,162	-0.19(-0.26%)
Mar 30, 2011	71.74	71.99	71.72	71.97	1,002,147	+0.25(+0.34%)
Mar 29, 2011	71.85	72.03	71.62	71.72	1,356,878	-0.21(-0.29%)
Mar 28, 2011	71.81	71.99	71.74	71.93	822,496	+0.02(+0.03%)
Mar 25, 2011	72.23	72.26	71.86	71.91	1,013,605	-0.19(-0.27%)
Mar 24, 2011	72.26	72.36	72.07	72.10	1,422,733	-0.37(-0.51%)
Mar 23, 2011	72.77	72.81	72.38	72.47	902,815	-0.09(-0.13%)
Mar 22, 2011	72.40	72.57	72.38	72.57	743,013	+0.04(+0.05%)
Mar 21, 2011	72.51	72.69	72.50	72.53	1,333,205	-0.38(-0.52%)
Mar 18, 2011	72.73	72.95	72.70	72.91	1,960,515	-0.05(-0.06%)
Mar 17, 2011	72.96	73.11	72.75	72.95	829,074	-0.37(-0.51%)
Mar 16, 2011	72.92	73.55	72.80	73.32	2,058,433	+0.76(+1.05%)
Mar 15, 2011	72.75	72.81	72.53	72.56	2,153,076	+0.26(+0.36%)
Mar 14, 2011	72.35	72.54	72.30	72.30	1,044,500	+0.16(+0.22%)
Mar 11, 2011	72.31	72.34	72.03	72.13	894,903	-0.17(-0.23%)
Mar 10, 2011	71.89	72.30	71.78	72.30	2,042,543	+0.61(+0.85%)
Mar 09, 2011	71.44	71.82	71.35	71.69	811,077	+0.42(+0.58%)
Mar 08, 2011	71.41	71.49	71.27	71.28	697,130	-0.17(-0.24%)
Mar 07, 2011	71.32	71.70	71.28	71.45	634,341	-0.18(-0.25%)
Mar 04, 2011	71.28	71.64	71.26	71.62	825,674	+0.51(+0.72%)
Mar 03, 2011	71.35	71.39	71.10	71.11	799,098	-0.49(-0.68%)
Mar 02, 2011	71.86	72.00	71.60	71.60	551,046	-0.38(-0.53%)

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