Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	80.64	80.89	80.64	80.89	805,818	+0.41(+0.51%)
May 23, 2011	80.53	80.63	80.46	80.48	869,868	+0.01(+0.01%)
May 20, 2011	80.49	80.55	80.31	80.48	1,001,251	-0.03(-0.04%)
May 19, 2011	80.54	80.70	80.42	80.51	1,327,500	-0.21(-0.26%)
May 18, 2011	80.81	80.89	80.61	80.72	1,267,151	-0.04(-0.05%)
May 17, 2011	80.49	80.77	80.49	80.76	903,701	+0.07(+0.08%)
May 16, 2011	80.85	80.85	80.56	80.70	872,529	+0.02(+0.03%)
May 13, 2011	80.75	80.75	80.51	80.67	1,835,687	-0.01(-0.02%)
May 12, 2011	80.83	80.89	80.49	80.69	1,106,609	-0.09(-0.12%)
May 11, 2011	80.95	81.07	80.78	80.78	951,499	-0.26(-0.32%)
May 10, 2011	81.13	81.20	81.01	81.04	1,828,636	-0.22(-0.27%)
May 09, 2011	81.19	81.27	81.08	81.26	815,386	+0.17(+0.21%)
May 06, 2011	80.82	81.26	80.73	81.09	821,749	+0.03(+0.04%)
May 05, 2011	81.25	81.25	80.92	81.06	1,204,707	-0.09(-0.12%)
May 04, 2011	81.23	81.42	81.14	81.16	1,078,036	+0.07(+0.09%)
May 03, 2011	80.94	81.08	80.88	81.08	1,126,376	+0.13(+0.16%)
May 02, 2011	80.99	81.02	80.94	80.95	1,036,435	+0.13(+0.17%)
Apr 29, 2011	80.68	80.93	80.56	80.82	1,282,647	+0.17(+0.21%)
Apr 28, 2011	80.58	80.79	80.50	80.65	864,239	+0.24(+0.30%)
Apr 27, 2011	80.46	80.52	80.25	80.41	1,160,708	-0.20(-0.24%)
Apr 26, 2011	80.44	80.61	80.29	80.61	958,191	+0.28(+0.34%)
Apr 25, 2011	80.13	80.33	80.09	80.33	1,238,629	+0.22(+0.27%)
Apr 21, 2011	80.06	80.28	80.03	80.11	851,800	-0.15(-0.18%)
Apr 20, 2011	80.55	80.55	80.19	80.26	874,206	-0.28(-0.34%)
Apr 19, 2011	80.33	80.58	80.21	80.53	743,710	+0.28(+0.35%)
Apr 18, 2011	80.18	80.33	79.97	80.25	1,253,870	+0.02(+0.03%)
Apr 15, 2011	79.89	80.23	79.89	80.23	1,261,976	+0.58(+0.73%)
Apr 14, 2011	79.84	79.84	79.61	79.65	1,147,800	-0.10(-0.13%)
Apr 13, 2011	79.49	79.78	79.40	79.75	996,261	+0.17(+0.22%)
Apr 12, 2011	79.41	79.70	79.25	79.57	1,131,129	+0.40(+0.51%)
Apr 11, 2011	79.28	79.36	79.17	79.17	773,530	-0.06(-0.07%)
Apr 08, 2011	78.98	79.32	78.96	79.23	894,685	+0.17(+0.21%)
Apr 07, 2011	78.98	79.15	78.85	79.06	1,046,758	+0.14(+0.18%)
Apr 06, 2011	79.26	79.27	78.92	78.93	1,133,503	-0.43(-0.54%)
Apr 05, 2011	79.46	79.50	79.32	79.36	1,231,516	-0.15(-0.18%)
Apr 04, 2011	79.36	79.61	79.23	79.50	794,990	+0.36(+0.45%)
Apr 01, 2011	78.90	79.28	78.75	79.14	1,245,642	+0.21(+0.26%)
Mar 31, 2011	79.16	79.16	78.76	78.94	1,184,696	+0.03(+0.04%)
Mar 30, 2011	78.61	78.93	78.61	78.91	981,500	+0.27(+0.35%)
Mar 29, 2011	78.74	78.83	78.51	78.64	903,933	-0.16(-0.20%)
Mar 28, 2011	78.74	78.89	78.66	78.80	1,003,669	+0.04(+0.06%)
Mar 25, 2011	79.16	79.27	78.69	78.75	1,057,278	-0.37(-0.47%)
Mar 24, 2011	78.93	79.13	78.82	79.12	1,366,524	+0.07(+0.09%)
Mar 23, 2011	79.40	79.40	78.93	79.05	895,626	-0.13(-0.16%)
Mar 22, 2011	79.29	79.29	79.11	79.18	753,761	-0.20(-0.25%)
Mar 21, 2011	79.41	79.55	79.37	79.37	1,753,536	-0.34(-0.43%)
Mar 18, 2011	79.55	79.81	79.54	79.71	872,378	-0.06(-0.07%)
Mar 17, 2011	79.61	79.84	79.49	79.77	1,313,191	+0.16(+0.20%)
Mar 16, 2011	79.40	79.91	79.38	79.61	1,971,068	+0.56(+0.71%)
Mar 15, 2011	79.14	79.27	79.01	79.05	1,176,908	-0.02(-0.03%)
Mar 14, 2011	78.91	79.16	78.91	79.07	1,222,526	+0.12(+0.15%)
Mar 11, 2011	79.03	79.08	78.82	78.95	1,739,474	-0.13(-0.16%)
Mar 10, 2011	78.75	79.14	78.69	79.08	950,353	+0.45(+0.57%)
Mar 09, 2011	78.57	78.78	78.45	78.64	1,043,023	+0.11(+0.14%)
Mar 08, 2011	78.52	78.61	78.41	78.53	1,197,972	+0.05(+0.06%)
Mar 07, 2011	78.35	78.70	78.19	78.48	1,011,573	-0.07(-0.08%)
Mar 04, 2011	78.17	78.60	78.12	78.54	1,049,060	+0.52(+0.67%)
Mar 03, 2011	78.08	78.15	77.93	78.02	921,085	-0.21(-0.27%)
Mar 02, 2011	78.25	78.58	78.23	78.23	1,218,365	-0.23(-0.29%)

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