Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2011	81.82	81.95	81.65	81.72	1,224,040	-0.48(-0.58%)
Nov 29, 2011	82.10	82.40	81.90	82.20	765,452	-0.16(-0.19%)
Nov 28, 2011	81.77	82.46	81.73	82.36	1,635,815	+0.01(+0.01%)
Nov 25, 2011	82.57	82.57	82.33	82.35	593,330	-0.53(-0.64%)
Nov 23, 2011	82.41	82.92	82.36	82.88	2,783,706	+0.28(+0.34%)
Nov 22, 2011	82.42	82.61	82.24	82.59	3,330,422	+0.25(+0.30%)
Nov 21, 2011	82.39	82.51	82.30	82.34	879,915	+0.23(+0.28%)
Nov 18, 2011	82.28	82.36	81.99	82.11	2,394,175	-0.31(-0.37%)
Nov 17, 2011	82.12	82.59	82.06	82.42	1,024,106	+0.17(+0.20%)
Nov 16, 2011	82.20	82.27	81.99	82.25	426,110	+0.30(+0.36%)
Nov 15, 2011	82.11	82.32	81.87	81.95	610,362	-0.11(-0.13%)
Nov 14, 2011	81.86	82.12	81.82	82.07	745,687	+0.51(+0.63%)
Nov 11, 2011	81.71	81.73	81.47	81.55	411,393	-0.38(-0.46%)
Nov 10, 2011	81.99	82.21	81.67	81.93	844,405	-0.40(-0.49%)
Nov 09, 2011	82.29	82.50	81.62	82.33	966,559	+0.72(+0.89%)
Nov 08, 2011	81.88	82.11	81.56	81.61	531,814	-0.37(-0.45%)
Nov 07, 2011	81.84	82.31	81.77	81.98	1,073,167	+0.09(+0.12%)
Nov 04, 2011	81.66	81.96	81.61	81.88	934,926	+0.24(+0.30%)
Nov 03, 2011	81.64	81.93	81.57	81.64	940,360	-0.39(-0.47%)
Nov 02, 2011	81.72	82.11	81.66	82.03	1,383,268	-0.20(-0.24%)
Nov 01, 2011	81.98	82.25	81.69	82.22	2,862,841	+0.97(+1.20%)
Oct 31, 2011	80.68	81.25	80.64	81.25	1,506,677	+1.08(+1.34%)
Oct 28, 2011	79.98	80.27	79.97	80.17	1,192,808	+0.48(+0.60%)
Oct 27, 2011	80.17	80.31	79.56	79.69	2,084,988	-0.97(-1.21%)
Oct 26, 2011	81.04	81.23	80.65	80.67	1,261,086	-0.60(-0.73%)
Oct 25, 2011	80.50	81.29	80.49	81.26	1,299,690	+0.69(+0.86%)
Oct 24, 2011	80.66	80.70	80.48	80.57	1,759,951	-0.04(-0.05%)
Oct 21, 2011	80.69	80.84	80.47	80.61	1,625,606	-0.15(-0.18%)
Oct 20, 2011	80.82	81.20	80.54	80.76	891,962	-0.16(-0.20%)
Oct 19, 2011	80.70	81.08	80.64	80.93	934,354	+0.13(+0.16%)
Oct 18, 2011	80.97	81.20	80.62	80.80	1,162,639	-0.09(-0.11%)
Oct 17, 2011	80.50	80.91	80.50	80.89	1,623,760	+0.53(+0.65%)
Oct 14, 2011	80.34	80.53	80.24	80.36	895,672	-0.40(-0.50%)
Oct 13, 2011	80.69	81.04	80.61	80.76	1,877,937	+0.32(+0.40%)
Oct 12, 2011	80.38	80.57	80.10	80.44	2,961,293	-0.27(-0.34%)
Oct 11, 2011	80.83	80.90	80.63	80.71	1,246,408	+0.27(+0.33%)
Oct 10, 2011	80.60	80.79	80.16	80.45	1,024,111	-0.86(-1.05%)
Oct 07, 2011	81.30	81.54	81.04	81.30	2,899,963	-0.42(-0.52%)
Oct 06, 2011	81.95	81.97	81.70	81.73	1,702,579	-0.57(-0.70%)
Oct 05, 2011	82.56	82.61	82.23	82.30	1,496,032	-0.35(-0.42%)
Oct 04, 2011	83.25	83.41	82.64	82.64	2,619,420	-0.42(-0.51%)
Oct 03, 2011	82.50	83.07	82.39	83.07	2,682,643	+0.76(+0.93%)
Sep 30, 2011	82.31	82.38	82.02	82.31	2,048,159	+0.52(+0.63%)
Sep 29, 2011	81.65	82.02	81.55	81.79	1,399,089	+0.00(+0.00%)
Sep 28, 2011	81.71	81.79	81.31	81.79	1,621,831	+0.02(+0.02%)
Sep 27, 2011	81.73	81.87	81.60	81.77	1,480,331	-0.55(-0.67%)
Sep 26, 2011	82.52	82.64	82.25	82.32	1,550,768	-0.34(-0.42%)
Sep 23, 2011	83.31	83.38	82.66	82.67	2,252,707	-0.69(-0.83%)
Sep 22, 2011	83.28	83.55	83.03	83.36	4,386,889	+0.77(+0.93%)
Sep 21, 2011	82.20	82.70	82.09	82.59	1,186,498	+0.35(+0.43%)
Sep 20, 2011	82.11	82.24	82.02	82.24	1,282,953	+0.11(+0.13%)
Sep 19, 2011	82.06	82.27	82.02	82.13	1,144,338	+0.67(+0.82%)
Sep 16, 2011	81.15	81.48	81.12	81.46	892,314	+0.16(+0.19%)
Sep 15, 2011	81.30	81.45	81.16	81.30	1,324,899	-0.61(-0.75%)
Sep 14, 2011	81.87	82.10	81.70	81.91	1,549,733	+0.05(+0.06%)
Sep 13, 2011	82.02	82.10	81.80	81.87	1,190,454	-0.24(-0.30%)
Sep 12, 2011	82.28	82.39	82.09	82.11	2,780,084	-0.25(-0.30%)
Sep 09, 2011	82.11	82.48	82.05	82.36	1,294,616	+0.40(+0.49%)
Sep 08, 2011	81.82	81.99	81.62	81.96	1,194,407	+0.40(+0.49%)
Sep 07, 2011	81.68	81.85	81.50	81.56	1,207,316	-0.44(-0.53%)
Sep 06, 2011	82.26	82.30	81.92	82.00	1,532,477	+0.11(+0.13%)
Sep 02, 2011	81.66	81.99	81.48	81.89	1,452,508	+0.74(+0.92%)

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