Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2011	82.57	82.72	82.49	82.72	2,323,752	+0.39(+0.47%)
Oct 28, 2011	82.07	82.35	82.06	82.33	1,302,359	+0.32(+0.39%)
Oct 27, 2011	82.24	82.26	81.88	82.00	1,277,291	-0.32(-0.38%)
Oct 26, 2011	82.39	82.52	82.24	82.32	883,448	-0.23(-0.27%)
Oct 25, 2011	82.19	82.55	82.14	82.55	1,966,192	+0.42(+0.51%)
Oct 24, 2011	82.29	82.29	82.06	82.12	1,154,027	-0.13(-0.16%)
Oct 21, 2011	82.29	82.34	82.12	82.25	738,644	+0.05(+0.05%)
Oct 20, 2011	82.23	82.42	82.10	82.21	1,144,975	-0.05(-0.05%)
Oct 19, 2011	82.15	82.37	82.06	82.25	1,037,707	+0.12(+0.15%)
Oct 18, 2011	82.18	82.35	82.03	82.13	1,275,314	-0.09(-0.11%)
Oct 17, 2011	81.95	82.22	81.94	82.22	1,099,615	+0.32(+0.39%)
Oct 14, 2011	81.78	82.02	81.78	81.90	781,450	-0.14(-0.17%)
Oct 13, 2011	82.07	82.18	81.89	82.03	1,213,615	+0.05(+0.06%)
Oct 12, 2011	81.86	82.06	81.81	81.99	1,490,864	-0.16(-0.19%)
Oct 11, 2011	82.00	82.16	81.91	82.15	2,866,475	+0.20(+0.24%)
Oct 10, 2011	82.12	82.12	81.72	81.95	946,370	-0.17(-0.20%)
Oct 07, 2011	82.12	82.22	81.97	82.12	2,013,569	-0.17(-0.20%)
Oct 06, 2011	82.34	82.35	82.24	82.28	1,360,033	-0.14(-0.16%)
Oct 05, 2011	82.62	82.64	82.39	82.42	1,993,988	-0.28(-0.34%)
Oct 04, 2011	83.02	83.09	82.69	82.70	1,797,479	-0.26(-0.31%)
Oct 03, 2011	82.78	82.99	82.65	82.95	3,155,721	+0.34(+0.41%)
Sep 30, 2011	82.53	82.70	82.42	82.61	1,360,299	+0.31(+0.37%)
Sep 29, 2011	82.26	82.43	82.20	82.31	1,099,504	-0.03(-0.04%)
Sep 28, 2011	82.37	82.38	82.17	82.34	1,133,409	-0.07(-0.08%)
Sep 27, 2011	82.32	82.42	82.24	82.40	1,715,861	-0.11(-0.14%)
Sep 26, 2011	82.64	82.74	82.46	82.52	1,544,420	-0.19(-0.23%)
Sep 23, 2011	83.23	83.23	82.69	82.70	1,483,896	-0.43(-0.51%)
Sep 22, 2011	83.12	83.30	83.01	83.13	1,166,129	+0.24(+0.29%)
Sep 21, 2011	82.73	82.93	82.59	82.89	1,656,551	+0.14(+0.16%)
Sep 20, 2011	82.72	82.76	82.59	82.76	935,094	+0.17(+0.20%)
Sep 19, 2011	82.67	82.72	82.57	82.59	1,048,161	+0.18(+0.22%)
Sep 16, 2011	82.28	82.41	82.19	82.41	1,180,473	+0.12(+0.15%)
Sep 15, 2011	82.41	82.47	82.29	82.29	1,395,052	-0.24(-0.29%)
Sep 14, 2011	82.46	82.61	82.43	82.53	1,419,746	+0.02(+0.02%)
Sep 13, 2011	82.56	82.58	82.42	82.52	934,718	+0.03(+0.04%)
Sep 12, 2011	82.67	82.67	82.41	82.49	1,383,394	-0.17(-0.20%)
Sep 09, 2011	82.58	82.73	82.52	82.65	1,079,185	+0.11(+0.14%)
Sep 08, 2011	82.65	82.66	82.43	82.54	1,558,563	+0.02(+0.03%)
Sep 07, 2011	82.58	82.62	82.42	82.52	1,225,522	-0.19(-0.24%)
Sep 06, 2011	82.84	82.84	82.67	82.71	1,471,487	+0.22(+0.26%)
Sep 02, 2011	82.51	82.65	82.38	82.49	1,231,283	+0.25(+0.30%)
Sep 01, 2011	82.13	82.30	81.90	82.25	2,054,601	+0.26(+0.32%)
Aug 31, 2011	82.19	82.27	81.97	81.98	3,264,885	-0.07(-0.09%)
Aug 30, 2011	82.02	82.18	81.92	82.06	1,480,148	+0.25(+0.31%)
Aug 29, 2011	81.73	81.81	81.67	81.80	1,536,833	-0.09(-0.11%)
Aug 26, 2011	82.00	82.04	81.75	81.89	901,169	+0.11(+0.14%)
Aug 25, 2011	81.71	81.85	81.63	81.78	864,225	+0.16(+0.20%)
Aug 24, 2011	81.98	81.99	81.55	81.61	885,919	-0.46(-0.57%)
Aug 23, 2011	82.15	82.15	81.98	82.08	1,011,175	-0.19(-0.24%)
Aug 22, 2011	82.22	82.34	82.15	82.27	1,017,454	-0.10(-0.13%)
Aug 19, 2011	82.34	82.40	82.21	82.38	1,698,668	+0.04(+0.05%)
Aug 18, 2011	82.54	82.73	82.28	82.34	1,274,517	+0.12(+0.15%)
Aug 17, 2011	82.15	82.33	81.98	82.22	1,495,202	+0.13(+0.16%)
Aug 16, 2011	81.82	82.18	81.82	82.09	1,202,117	+0.17(+0.21%)
Aug 15, 2011	82.00	82.04	81.79	81.91	1,381,254	+0.13(+0.16%)
Aug 12, 2011	81.73	82.03	81.55	81.79	3,302,104	+0.36(+0.44%)
Aug 11, 2011	82.31	82.31	81.41	81.43	3,467,776	-1.03(-1.24%)
Aug 10, 2011	82.17	82.48	82.09	82.45	1,472,410	+0.67(+0.81%)
Aug 09, 2011	81.66	82.33	81.20	81.79	2,193,886	+0.48(+0.59%)
Aug 08, 2011	81.37	81.46	81.24	81.31	2,762,799	+0.04(+0.05%)
Aug 05, 2011	81.58	81.80	81.17	81.27	2,917,564	-0.54(-0.66%)
Aug 04, 2011	81.46	81.88	81.43	81.81	2,117,942	+0.43(+0.53%)
Aug 03, 2011	81.38	81.57	81.32	81.38	1,652,763	+0.08(+0.10%)
Aug 02, 2011	81.08	81.36	80.96	81.29	1,349,701	+0.35(+0.43%)

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