Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2012	73.45	73.55	73.43	73.54	555,449	+0.02(+0.03%)
Dec 28, 2012	73.46	73.52	73.41	73.51	851,806	+0.07(+0.09%)
Dec 27, 2012	73.42	73.45	73.21	73.45	1,574,470	+0.04(+0.06%)
Dec 26, 2012	73.39	73.42	73.30	73.40	415,302	+0.03(+0.04%)
Dec 24, 2012	69.79	73.47	73.15	73.37	372,318	+0.03(+0.04%)
Dec 21, 2012	73.18	73.39	73.18	73.34	1,367,618	+0.09(+0.12%)
Dec 20, 2012	73.15	73.26	73.08	73.25	2,189,828	+0.17(+0.23%)
Dec 19, 2012	73.01	73.15	73.00	73.09	918,591	+0.16(+0.21%)
Dec 18, 2012	72.88	73.06	72.85	72.93	1,764,337	-0.05(-0.07%)
Dec 17, 2012	73.01	73.02	72.90	72.98	1,557,383	-0.08(-0.11%)
Dec 14, 2012	73.15	73.15	72.98	73.07	1,755,288	-0.05(-0.07%)
Dec 13, 2012	73.18	73.19	73.07	73.12	1,217,135	-0.03(-0.04%)
Dec 12, 2012	73.20	73.24	73.09	73.15	1,279,170	-0.06(-0.08%)
Dec 11, 2012	73.12	73.21	73.12	73.21	1,372,601	-0.04(-0.05%)
Dec 10, 2012	73.31	73.31	73.14	73.25	1,443,830	+0.12(+0.16%)
Dec 07, 2012	73.17	73.19	73.08	73.13	882,202	-0.14(-0.20%)
Dec 06, 2012	73.15	73.28	73.11	73.27	2,373,966	+0.11(+0.16%)
Dec 05, 2012	73.18	74.28	73.09	73.16	1,627,292	+0.07(+0.10%)
Dec 04, 2012	73.01	73.13	72.97	73.09	1,824,588	+0.07(+0.10%)
Nov 30, 2012	73.04	73.05	72.96	73.01	2,822,917	+0.01(+0.02%)
Nov 29, 2012	72.85	73.00	72.81	73.00	2,470,623	+0.37(+0.51%)
Nov 28, 2012	72.65	72.69	72.54	72.63	2,199,999	+0.13(+0.18%)
Nov 27, 2012	72.55	72.68	72.48	72.50	3,869,953	+0.10(+0.13%)
Nov 26, 2012	72.32	72.43	72.26	72.41	2,046,403	+0.14(+0.19%)
Nov 23, 2012	72.21	72.36	72.10	72.27	2,059,533	+0.04(+0.06%)
Nov 21, 2012	72.31	72.31	72.19	72.23	1,479,246	-0.09(-0.12%)
Nov 20, 2012	72.20	72.33	72.17	72.32	1,486,617	+0.23(+0.31%)
Nov 19, 2012	71.98	72.18	71.92	72.09	1,051,669	+0.24(+0.33%)
Nov 16, 2012	72.00	72.03	71.82	71.85	1,537,491	-0.19(-0.26%)
Nov 15, 2012	72.13	72.25	72.00	72.04	893,816	-0.22(-0.30%)
Nov 14, 2012	72.33	72.35	72.22	72.26	925,964	-0.02(-0.02%)
Nov 13, 2012	72.27	72.33	72.24	72.28	687,931	-0.07(-0.10%)
Nov 12, 2012	72.16	72.60	72.09	72.35	767,149	-0.01(-0.01%)
Nov 09, 2012	72.02	72.39	71.88	72.36	808,152	-0.02(-0.03%)
Nov 08, 2012	72.45	72.50	72.36	72.38	688,261	+0.11(+0.16%)
Nov 07, 2012	72.51	72.56	72.26	72.27	2,312,126	-0.02(-0.02%)
Nov 06, 2012	72.32	72.45	72.28	72.29	1,937,847	+0.12(+0.16%)
Nov 05, 2012	72.12	72.26	72.08	72.17	1,946,060	+0.25(+0.35%)
Nov 02, 2012	72.41	72.44	71.90	71.92	1,523,651	-0.24(-0.34%)
Nov 01, 2012	72.14	72.25	72.05	72.16	827,410	+0.04(+0.06%)
Oct 31, 2012	72.17	72.35	72.01	72.12	1,313,500	-0.11(-0.16%)
Oct 26, 2012	72.43	72.23	72.23	72.23	1,193,158	-0.20(-0.27%)
Oct 25, 2012	72.64	72.64	72.42	72.43	721,219	-0.14(-0.19%)
Oct 24, 2012	72.61	72.62	72.49	72.57	764,521	+0.01(+0.01%)
Oct 23, 2012	72.58	72.62	72.42	72.56	1,279,313	-0.23(-0.31%)
Oct 19, 2012	72.77	72.92	72.76	72.78	1,421,886	-0.11(-0.15%)
Oct 18, 2012	73.12	73.12	72.84	72.90	1,922,510	-0.14(-0.19%)
Oct 17, 2012	73.03	73.05	72.96	73.04	2,944,436	+0.01(+0.01%)
Oct 16, 2012	72.94	73.09	72.92	73.03	921,863	+0.17(+0.24%)
Oct 15, 2012	72.80	72.89	72.74	72.86	1,241,427	+0.19(+0.26%)
Oct 12, 2012	72.40	72.70	72.39	72.67	1,488,753	+0.40(+0.56%)
Oct 11, 2012	72.00	72.27	71.95	72.27	1,148,058	+0.40(+0.55%)
Oct 10, 2012	71.95	71.97	71.80	71.87	1,155,424	+0.01(+0.02%)
Oct 09, 2012	72.07	72.07	71.85	71.86	598,135	-0.07(-0.09%)
Oct 08, 2012	72.19	72.19	71.91	71.92	394,716	-0.21(-0.29%)
Oct 05, 2012	72.22	72.22	72.06	72.13	1,169,999	+0.02(+0.03%)
Oct 04, 2012	72.16	72.20	72.08	72.11	1,060,295	+0.01(+0.01%)
Oct 03, 2012	72.07	72.23	72.00	72.10	1,486,557	+0.15(+0.21%)
Oct 02, 2012	71.90	71.95	71.84	71.95	720,137	+0.21(+0.29%)

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