Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	77.75	77.78	77.58	77.58	1,374,649	-0.09(-0.11%)
Mar 30, 2011	77.66	77.66	77.66	77.66	1,072,606	+0.13(+0.17%)
Mar 29, 2011	77.57	77.71	77.50	77.53	729,193	-0.10(-0.12%)
Mar 28, 2011	77.58	77.67	77.54	77.63	1,956,237	-0.04(-0.05%)
Mar 25, 2011	77.87	77.87	77.61	77.66	1,099,319	-0.07(-0.09%)
Mar 24, 2011	77.82	77.87	77.69	77.73	2,127,565	-0.21(-0.27%)
Mar 23, 2011	78.09	78.11	77.91	77.95	639,935	-0.04(-0.05%)
Mar 22, 2011	77.89	78.02	77.88	77.98	819,553	+0.01(+0.01%)
Mar 21, 2011	77.97	78.06	77.95	77.97	624,505	-0.18(-0.24%)
Mar 18, 2011	78.08	78.19	78.02	78.16	518,795	-0.03(-0.04%)
Mar 17, 2011	78.12	78.28	78.03	78.19	792,445	-0.18(-0.24%)
Mar 16, 2011	78.19	78.62	78.11	78.37	1,371,648	+0.35(+0.45%)
Mar 15, 2011	78.17	78.19	78.00	78.02	911,387	+0.03(+0.04%)
Mar 14, 2011	78.09	78.20	77.99	77.99	563,605	+0.04(+0.06%)
Mar 11, 2011	77.95	78.03	77.86	77.95	642,022	+0.01(+0.02%)
Mar 10, 2011	77.78	77.97	77.69	77.93	634,074	+0.27(+0.35%)
Mar 09, 2011	77.52	77.75	77.45	77.66	800,354	+0.18(+0.24%)
Mar 08, 2011	77.53	77.53	77.41	77.47	714,446	-0.06(-0.08%)
Mar 07, 2011	77.44	77.64	77.34	77.53	841,713	+0.04(+0.05%)
Mar 04, 2011	77.40	77.56	77.37	77.50	1,032,138	+0.21(+0.27%)
Mar 03, 2011	77.41	77.42	77.24	77.29	838,420	-0.27(-0.35%)
Mar 02, 2011	77.71	77.77	77.55	77.56	685,989	-0.13(-0.16%)
Mar 01, 2011	77.55	77.76	77.52	77.69	996,980	-0.06(-0.08%)
Feb 28, 2011	77.66	77.75	77.61	77.75	758,482	+0.15(+0.19%)
Feb 25, 2011	77.47	77.62	77.46	77.60	736,409	+0.21(+0.27%)
Feb 24, 2011	77.45	77.52	77.39	77.40	1,542,633	+0.01(+0.02%)
Feb 23, 2011	77.42	77.48	77.30	77.38	960,664	+0.06(+0.08%)
Feb 22, 2011	77.13	77.37	77.12	77.32	1,404,200	+0.28(+0.36%)
Feb 18, 2011	76.95	77.07	76.90	77.04	943,510	-0.03(-0.04%)
Feb 17, 2011	77.05	77.14	77.02	77.07	823,783	+0.18(+0.24%)
Feb 16, 2011	76.89	77.02	76.83	76.89	645,119	+0.00(+0.00%)
Feb 15, 2011	76.79	76.90	76.77	76.89	697,720	+0.10(+0.12%)
Feb 14, 2011	76.69	76.86	76.69	76.79	1,392,635	+0.04(+0.05%)
Feb 11, 2011	76.76	76.80	76.59	76.76	1,083,232	+0.30(+0.39%)
Feb 10, 2011	76.62	76.66	76.42	76.45	707,582	-0.22(-0.29%)
Feb 09, 2011	76.56	76.77	76.48	76.68	704,013	+0.14(+0.18%)
Feb 08, 2011	76.76	76.77	76.47	76.54	1,006,844	-0.22(-0.29%)
Feb 07, 2011	76.66	76.78	76.62	76.76	821,575	+0.03(+0.04%)
Feb 04, 2011	76.88	77.00	76.68	76.73	1,517,280	-0.26(-0.33%)
Feb 03, 2011	77.12	77.18	76.98	76.98	1,239,663	-0.29(-0.37%)
Feb 02, 2011	77.38	77.44	77.18	77.27	697,014	-0.09(-0.11%)
Feb 01, 2011	77.46	77.46	77.29	77.36	951,746	-0.16(-0.21%)
Jan 31, 2011	77.66	77.73	77.47	77.52	2,305,316	-0.15(-0.19%)
Jan 28, 2011	77.48	77.75	77.47	77.67	1,067,204	+0.11(+0.14%)
Jan 27, 2011	77.51	77.59	77.42	77.56	815,619	+0.13(+0.17%)
Jan 26, 2011	77.58	77.61	77.41	77.43	774,587	-0.26(-0.33%)
Jan 25, 2011	77.46	77.72	77.39	77.69	658,750	+0.24(+0.31%)
Jan 24, 2011	77.40	77.54	77.40	77.44	729,471	-0.04(-0.06%)
Jan 21, 2011	77.22	77.49	77.22	77.49	788,026	+0.24(+0.31%)
Jan 20, 2011	77.41	77.47	77.19	77.25	1,153,429	-0.29(-0.38%)
Jan 19, 2011	77.45	77.60	77.43	77.54	1,243,013	+0.01(+0.02%)
Jan 18, 2011	77.55	77.58	77.38	77.52	606,684	-0.05(-0.07%)
Jan 14, 2011	77.77	77.77	77.58	77.58	1,024,772	-0.16(-0.21%)
Jan 13, 2011	77.36	77.74	77.35	77.74	1,285,908	+0.28(+0.36%)
Jan 12, 2011	77.40	77.48	77.27	77.46	766,480	-0.01(-0.01%)
Jan 11, 2011	77.63	77.63	77.37	77.47	846,079	-0.15(-0.20%)
Jan 10, 2011	77.47	77.62	77.44	77.62	771,395	+0.21(+0.27%)
Jan 07, 2011	77.27	77.49	77.17	77.41	1,320,128	+0.25(+0.32%)
Jan 06, 2011	77.27	77.27	77.12	77.16	2,770,282	+0.01(+0.02%)
Jan 05, 2011	77.25	77.30	77.00	77.15	1,177,775	-0.37(-0.48%)
Jan 04, 2011	77.54	77.61	77.41	77.52	852,438	+0.02(+0.03%)

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