Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2013	82.53	82.60	82.50	82.60	2,632,921	+0.07(+0.09%)
Jan 30, 2013	82.46	82.53	82.42	82.52	1,820,566	-0.04(-0.05%)
Jan 29, 2013	82.61	82.67	82.50	82.56	1,119,511	-0.05(-0.06%)
Jan 28, 2013	82.51	82.62	82.51	82.61	1,426,925	-0.12(-0.14%)
Jan 25, 2013	82.75	82.82	82.67	82.73	1,173,112	-0.20(-0.24%)
Jan 24, 2013	82.97	83.01	82.92	82.93	881,755	-0.11(-0.14%)
Jan 23, 2013	83.02	83.06	82.68	83.04	1,862,798	+0.09(+0.11%)
Jan 22, 2013	82.86	83.01	82.86	82.95	1,949,980	-0.04(-0.05%)
Jan 18, 2013	82.96	83.01	82.92	83.00	874,965	+0.10(+0.12%)
Jan 17, 2013	82.89	82.98	82.83	82.90	1,711,974	-0.18(-0.22%)
Jan 16, 2013	83.07	83.13	82.99	83.08	1,646,561	+0.04(+0.05%)
Jan 15, 2013	83.06	83.10	83.01	83.04	3,422,889	+0.02(+0.03%)
Jan 14, 2013	83.01	83.06	82.95	83.01	1,162,917	+0.07(+0.09%)
Jan 11, 2013	82.78	82.98	82.77	82.94	1,496,899	+0.08(+0.10%)
Jan 10, 2013	82.83	82.91	82.79	82.86	1,508,415	-0.01(-0.01%)
Jan 09, 2013	82.94	82.94	82.83	82.86	1,800,115	-0.06(-0.07%)
Jan 08, 2013	82.89	82.97	82.86	82.92	2,384,940	+0.07(+0.09%)
Jan 07, 2013	82.89	82.92	82.81	82.85	2,478,366	-0.04(-0.05%)
Jan 04, 2013	82.74	82.90	82.72	82.89	1,719,769	+0.09(+0.11%)
Jan 03, 2013	83.06	83.11	82.78	82.80	2,356,102	-0.21(-0.25%)
Jan 02, 2013	82.96	83.05	82.92	83.01	1,519,984	-0.10(-0.12%)
Dec 31, 2012	83.24	83.25	83.07	83.11	1,209,491	-0.15(-0.18%)
Dec 28, 2012	83.27	83.28	83.16	83.26	1,731,835	+0.13(+0.15%)
Dec 27, 2012	83.09	83.24	83.04	83.13	964,995	+0.04(+0.05%)
Dec 26, 2012	83.02	83.10	83.02	83.09	769,618	+0.11(+0.14%)
Dec 24, 2012	82.95	83.00	82.94	82.98	440,848	+0.01(+0.01%)
Dec 21, 2012	83.02	83.05	82.95	82.97	1,304,021	+0.07(+0.09%)
Dec 20, 2012	82.95	83.00	82.86	82.90	1,503,453	+0.01(+0.01%)
Dec 19, 2012	82.82	82.95	82.82	82.89	1,491,938	+0.14(+0.17%)
Dec 18, 2012	82.88	82.93	82.69	82.75	1,890,381	-0.19(-0.23%)
Dec 17, 2012	83.14	83.15	82.91	82.94	1,960,811	-0.20(-0.24%)
Dec 14, 2012	83.13	83.19	83.09	83.14	2,248,394	+0.15(+0.18%)
Dec 13, 2012	83.10	83.13	82.98	82.99	1,620,076	-0.13(-0.16%)
Dec 12, 2012	83.32	83.37	83.13	83.13	1,940,048	-0.23(-0.28%)
Dec 11, 2012	83.33	83.37	83.29	83.36	1,090,263	-0.03(-0.04%)
Dec 10, 2012	83.36	83.41	83.34	83.39	1,129,600	+0.02(+0.02%)
Dec 07, 2012	83.34	83.41	83.29	83.37	1,293,924	-0.07(-0.09%)
Dec 06, 2012	83.45	83.51	83.42	83.45	695,518	-0.01(-0.01%)
Dec 05, 2012	83.39	83.47	83.39	83.45	720,326	+0.07(+0.09%)
Dec 04, 2012	83.33	83.39	83.26	83.38	1,167,641	+0.06(+0.08%)
Nov 30, 2012	83.32	83.37	83.27	83.32	1,224,113	-0.04(-0.05%)
Nov 29, 2012	83.23	83.36	83.23	83.36	891,601	+0.10(+0.12%)
Nov 28, 2012	83.28	83.32	83.25	83.26	617,934	+0.01(+0.02%)
Nov 27, 2012	83.14	83.26	83.14	83.24	770,495	+0.11(+0.13%)
Nov 26, 2012	83.15	83.20	83.09	83.13	848,058	+0.03(+0.04%)
Nov 23, 2012	83.10	83.12	83.05	83.10	296,760	+0.05(+0.06%)
Nov 21, 2012	83.11	83.17	83.04	83.05	1,563,837	-0.14(-0.17%)
Nov 20, 2012	83.27	83.31	83.17	83.19	898,262	-0.16(-0.19%)
Nov 19, 2012	83.20	83.35	83.17	83.35	1,235,450	+0.06(+0.07%)
Nov 16, 2012	83.28	83.35	83.24	83.29	1,322,558	+0.03(+0.04%)
Nov 15, 2012	83.27	83.30	83.21	83.26	2,064,741	-0.08(-0.10%)
Nov 14, 2012	83.17	83.34	83.16	83.34	1,674,242	+0.02(+0.03%)
Nov 13, 2012	83.34	83.38	83.21	83.31	4,521,201	+0.15(+0.18%)
Nov 12, 2012	83.23	83.24	83.15	83.17	825,364	-0.02(-0.03%)
Nov 09, 2012	83.14	83.21	83.07	83.19	1,744,943	-0.04(-0.05%)
Nov 08, 2012	83.12	83.29	83.09	83.23	1,901,507	+0.10(+0.13%)
Nov 07, 2012	83.25	83.29	83.13	83.13	2,105,849	+0.19(+0.23%)
Nov 06, 2012	83.11	83.14	82.92	82.94	794,234	-0.24(-0.29%)
Nov 05, 2012	83.13	83.20	83.09	83.17	3,616,089	+0.14(+0.17%)
Nov 02, 2012	83.00	83.07	82.89	83.03	1,295,598	+0.05(+0.06%)
Nov 01, 2012	83.17	83.17	82.97	82.98	1,819,840	-0.11(-0.13%)
Oct 31, 2012	82.98	83.13	82.95	83.09	2,970,670	+0.12(+0.14%)
Oct 26, 2012	82.87	82.97	82.97	82.97	1,227,203	+0.22(+0.27%)
Oct 25, 2012	82.79	82.91	82.74	82.75	1,310,595	-0.18(-0.21%)
Oct 24, 2012	82.91	82.99	82.88	82.93	816,642	-0.06(-0.07%)
Oct 23, 2012	82.85	83.00	82.85	82.99	848,019	+0.07(+0.09%)
Oct 19, 2012	82.79	82.97	82.79	82.91	923,051	+0.10(+0.13%)
Oct 18, 2012	82.90	82.90	82.74	82.81	1,686,976	-0.03(-0.04%)
Oct 17, 2012	82.98	82.99	82.82	82.84	1,619,093	-0.26(-0.31%)
Oct 16, 2012	83.18	83.22	83.08	83.10	1,321,152	-0.13(-0.16%)
Oct 15, 2012	83.17	83.23	83.14	83.23	2,222,744	+0.04(+0.05%)
Oct 12, 2012	83.19	83.25	83.14	83.19	2,223,578	+0.07(+0.08%)
Oct 11, 2012	82.93	83.14	82.93	83.12	706,573	+0.10(+0.12%)
Oct 10, 2012	82.88	83.07	82.86	83.02	749,783	+0.13(+0.16%)
Oct 09, 2012	82.91	83.00	82.85	82.88	3,127,522	-0.09(-0.11%)
Oct 08, 2012	82.88	82.98	82.88	82.97	708,532	+0.13(+0.15%)
Oct 05, 2012	82.91	82.94	82.83	82.85	783,383	-0.17(-0.21%)
Oct 04, 2012	83.07	83.14	83.00	83.02	619,965	-0.12(-0.14%)
Oct 03, 2012	83.08	83.18	83.08	83.14	1,603,328	-0.03(-0.04%)
Oct 02, 2012	83.07	83.17	83.03	83.17	1,219,537	+0.07(+0.08%)
Oct 01, 2012	83.08	83.14	83.00	83.10	2,260,763	-0.03(-0.04%)
Sep 28, 2012	83.09	83.14	82.98	83.13	3,713,756	+0.12(+0.14%)
Sep 27, 2012	83.02	83.08	83.00	83.01	1,524,616	-0.05(-0.06%)
Sep 26, 2012	83.06	83.09	82.99	83.06	1,073,282	+0.08(+0.10%)
Sep 25, 2012	82.89	82.98	82.80	82.98	1,131,283	+0.13(+0.16%)
Sep 24, 2012	82.75	82.86	82.75	82.85	1,651,267	+0.09(+0.11%)
Sep 21, 2012	82.63	82.76	82.61	82.76	1,121,531	+0.13(+0.16%)
Sep 20, 2012	82.76	82.77	82.61	82.63	3,406,837	-0.05(-0.06%)
Sep 19, 2012	82.70	82.73	82.62	82.68	990,326	+0.16(+0.20%)
Sep 18, 2012	82.59	82.66	82.51	82.52	1,533,368	+0.05(+0.06%)
Sep 17, 2012	82.44	82.52	82.38	82.46	1,438,904	+0.13(+0.16%)
Sep 14, 2012	82.51	82.51	82.30	82.33	1,367,802	-0.34(-0.41%)
Sep 13, 2012	82.61	82.72	82.33	82.67	2,928,797	+0.19(+0.23%)
Sep 12, 2012	82.55	82.57	82.44	82.48	2,271,762	-0.16(-0.19%)
Sep 11, 2012	82.63	82.71	82.61	82.63	4,108,211	-0.10(-0.12%)
Sep 10, 2012	82.72	82.75	82.63	82.73	1,762,529	+0.01(+0.02%)
Sep 07, 2012	82.91	82.95	82.69	82.72	2,102,624	+0.01(+0.02%)
Sep 06, 2012	82.72	82.72	82.62	82.70	2,441,792	-0.19(-0.23%)
Sep 05, 2012	82.83	82.92	82.82	82.89	680,301	+0.00(+0.00%)
Sep 04, 2012	82.90	82.91	82.77	82.89	2,159,846	-0.02(-0.02%)
Aug 31, 2012	82.65	82.95	82.69	82.91	1,630,898	+0.26(+0.31%)
Aug 30, 2012	82.65	82.74	82.65	82.65	591,173	+0.05(+0.06%)
Aug 29, 2012	82.64	82.67	82.56	82.60	971,822	-0.01(-0.02%)
Aug 27, 2012	82.56	82.64	82.55	82.61	668,265	+0.11(+0.13%)
Aug 24, 2012	82.62	82.62	82.48	82.50	880,321	-0.06(-0.07%)
Aug 23, 2012	82.52	82.59	82.51	82.56	571,199	+0.06(+0.07%)
Aug 22, 2012	82.34	82.50	82.27	82.50	549,567	+0.35(+0.43%)
Aug 21, 2012	82.03	82.16	81.93	82.15	1,000,989	+0.11(+0.13%)
Aug 20, 2012	82.01	82.10	82.00	82.04	567,766	-0.03(-0.04%)
Aug 17, 2012	82.04	82.11	82.01	82.07	685,306	+0.10(+0.12%)
Aug 16, 2012	82.12	82.13	81.88	81.97	905,712	-0.10(-0.13%)
Aug 15, 2012	82.23	82.23	82.04	82.08	745,321	-0.27(-0.32%)
Aug 14, 2012	82.33	82.40	82.30	82.34	768,551	-0.19(-0.23%)
Aug 13, 2012	82.58	82.63	82.53	82.53	773,193	-0.01(-0.01%)
Aug 10, 2012	82.62	82.62	82.48	82.54	850,325	+0.13(+0.16%)
Aug 09, 2012	82.36	82.47	82.30	82.41	1,132,892	-0.02(-0.03%)
Aug 08, 2012	82.59	82.59	82.41	82.43	745,973	-0.10(-0.13%)
Aug 07, 2012	82.52	82.57	82.50	82.53	2,348,845	-0.22(-0.27%)
Aug 06, 2012	82.72	82.81	82.67	82.75	2,483,610	+0.13(+0.15%)
Aug 03, 2012	82.71	82.75	82.61	82.63	2,483,454	-0.20(-0.24%)
Aug 02, 2012	82.88	83.00	82.83	82.83	1,146,978	+0.01(+0.02%)
Aug 01, 2012	82.82	82.92	82.63	82.81	3,361,998	-0.10(-0.12%)
Jul 31, 2012	82.90	82.95	82.79	82.91	1,335,669	+0.08(+0.10%)
Jul 30, 2012	82.70	82.86	82.67	82.83	839,765	+0.14(+0.17%)
Jul 27, 2012	82.81	82.81	82.59	82.69	1,371,713	-0.25(-0.30%)
Jul 26, 2012	82.96	82.98	82.93	82.94	1,164,999	-0.05(-0.06%)
Jul 25, 2012	82.94	83.00	82.92	82.99	1,187,787	+0.03(+0.04%)
Jul 24, 2012	82.82	82.98	82.79	82.96	707,676	+0.10(+0.12%)
Jul 23, 2012	82.93	82.93	82.84	82.86	676,461	+0.07(+0.09%)
Jul 20, 2012	82.76	82.88	82.76	82.78	817,681	+0.12(+0.14%)
Jul 19, 2012	82.70	82.79	82.64	82.67	1,224,290	-0.07(-0.08%)
Jul 18, 2012	82.65	82.74	82.65	82.73	638,665	+0.16(+0.20%)
Jul 17, 2012	82.63	82.65	82.56	82.57	815,013	-0.03(-0.04%)
Jul 16, 2012	82.53	82.71	82.59	82.60	652,923	+0.07(+0.08%)
Jul 13, 2012	82.53	82.54	82.43	82.53	591,023	+0.03(+0.04%)
Jul 12, 2012	82.47	82.50	82.42	82.50	519,607	+0.15(+0.18%)
Jul 11, 2012	82.37	82.47	82.33	82.36	769,106	-0.01(-0.01%)
Jul 10, 2012	82.30	82.41	82.28	82.36	708,327	+0.04(+0.04%)
Jul 09, 2012	82.23	82.34	82.22	82.33	641,691	+0.16(+0.20%)
Jul 06, 2012	82.11	82.24	82.11	82.17	2,064,362	+0.06(+0.07%)
Jul 05, 2012	81.92	82.11	81.92	82.11	1,005,850	+0.21(+0.26%)
Jul 03, 2012	81.89	81.95	81.87	81.89	1,361,843	-0.06(-0.07%)
Jul 02, 2012	81.86	81.97	81.80	81.95	2,708,505	+0.16(+0.19%)
Jun 29, 2012	81.76	81.82	81.72	81.80	2,793,279	-0.11(-0.13%)
Jun 28, 2012	81.96	81.99	81.88	81.91	1,606,095	+0.10(+0.12%)
Jun 27, 2012	81.83	81.86	81.75	81.81	2,112,586	+0.04(+0.05%)
Jun 26, 2012	81.77	81.85	81.75	81.77	1,073,661	-0.09(-0.11%)
Jun 25, 2012	81.76	81.87	81.74	81.86	3,159,343	+0.26(+0.32%)
Jun 22, 2012	81.70	81.72	81.60	81.60	816,662	-0.12(-0.14%)
Jun 21, 2012	81.71	81.81	81.62	81.72	1,278,837	+0.11(+0.14%)
Jun 20, 2012	81.63	81.73	81.49	81.61	1,709,097	-0.12(-0.15%)
Jun 19, 2012	81.80	81.80	81.66	81.74	823,891	-0.10(-0.12%)
Jun 18, 2012	81.82	81.89	81.74	81.83	947,037	-0.02(-0.03%)
Jun 15, 2012	81.83	81.86	81.74	81.85	1,402,576	+0.19(+0.23%)
Jun 14, 2012	81.65	81.71	81.60	81.66	760,786	-0.06(-0.07%)
Jun 13, 2012	81.57	81.74	81.46	81.72	3,607,078	+0.21(+0.26%)
Jun 12, 2012	81.56	81.60	81.45	81.51	655,838	-0.07(-0.08%)
Jun 11, 2012	81.48	81.64	81.43	81.57	702,186	+0.07(+0.09%)
Jun 08, 2012	81.70	81.71	81.46	81.50	966,324	-0.04(-0.05%)
Jun 07, 2012	81.44	81.54	81.41	81.54	1,022,874	+0.12(+0.15%)
Jun 06, 2012	81.74	81.74	81.41	81.41	2,536,912	-0.24(-0.30%)
Jun 05, 2012	81.70	81.82	81.65	81.66	1,294,114	-0.17(-0.21%)
Jun 04, 2012	81.81	82.21	81.81	81.82	1,423,436	-0.19(-0.23%)
Jun 01, 2012	81.94	82.07	81.88	82.02	2,519,506	+0.20(+0.25%)
May 31, 2012	81.73	81.86	81.66	81.81	4,069,122	+0.24(+0.30%)
May 30, 2012	81.55	81.62	81.48	81.57	745,965	+0.27(+0.33%)
May 29, 2012	81.36	81.39	81.28	81.30	1,625,556	-0.04(-0.05%)
May 25, 2012	81.28	81.36	81.26	81.34	619,462	+0.12(+0.15%)
May 24, 2012	81.31	81.31	81.19	81.22	1,280,296	-0.07(-0.08%)
May 23, 2012	81.36	81.41	81.27	81.28	949,669	+0.10(+0.12%)
May 22, 2012	81.27	81.34	81.19	81.19	1,373,391	-0.20(-0.24%)
May 21, 2012	81.42	81.44	81.38	81.39	1,647,138	-0.01(-0.02%)
May 18, 2012	81.39	81.46	81.33	81.40	1,615,394	-0.02(-0.03%)
May 17, 2012	81.31	81.50	81.28	81.42	1,937,230	+0.05(+0.06%)
May 16, 2012	81.31	81.47	81.28	81.37	1,345,040	-0.01(-0.02%)
May 15, 2012	81.47	81.47	81.31	81.39	1,618,792	-0.04(-0.05%)
May 14, 2012	81.40	81.44	81.35	81.43	1,040,738	+0.18(+0.23%)
May 11, 2012	81.34	81.35	81.22	81.25	608,519	+0.06(+0.07%)
May 10, 2012	81.20	81.22	81.13	81.19	717,959	-0.08(-0.10%)
May 09, 2012	81.34	81.34	81.20	81.27	1,268,056	+0.02(+0.03%)
May 08, 2012	81.28	81.36	81.24	81.25	791,093	+0.06(+0.07%)
May 07, 2012	81.21	81.23	81.16	81.19	880,956	+0.03(+0.04%)
May 04, 2012	81.15	81.18	81.09	81.16	833,853	+0.08(+0.10%)
May 03, 2012	80.98	81.08	80.97	81.08	784,500	+0.09(+0.11%)
May 02, 2012	81.00	81.04	80.93	80.99	1,770,581	+0.08(+0.10%)
May 01, 2012	81.00	81.03	80.86	80.91	1,053,691	-0.03(-0.04%)
Apr 30, 2012	81.03	81.03	80.93	80.94	1,205,080	-0.03(-0.04%)
Apr 27, 2012	80.95	80.99	80.90	80.97	845,461	-0.01(-0.01%)
Apr 26, 2012	80.97	81.00	80.89	80.97	1,396,034	+0.12(+0.15%)
Apr 25, 2012	80.80	80.87	80.67	80.85	1,342,278	+0.04(+0.05%)
Apr 24, 2012	80.89	80.92	80.80	80.81	857,426	-0.12(-0.14%)
Apr 23, 2012	81.04	81.04	80.89	80.93	1,075,479	+0.08(+0.10%)
Apr 20, 2012	80.85	80.88	80.77	80.85	2,090,970	+0.01(+0.02%)
Apr 19, 2012	80.87	80.92	80.84	80.84	845,405	-0.06(-0.07%)
Apr 18, 2012	80.82	80.89	80.76	80.89	1,208,293	+0.10(+0.13%)
Apr 17, 2012	80.72	80.79	80.68	80.79	1,007,821	+0.01(+0.02%)
Apr 16, 2012	80.67	80.86	80.67	80.78	1,532,059	+0.01(+0.02%)
Apr 13, 2012	80.72	80.78	80.65	80.76	1,509,383	+0.25(+0.31%)
Apr 12, 2012	80.57	80.60	80.50	80.51	691,266	-0.08(-0.10%)
Apr 11, 2012	80.54	80.59	80.42	80.59	1,643,962	+0.01(+0.01%)
Apr 10, 2012	80.64	80.75	80.55	80.59	2,587,837	+0.01(+0.01%)
Apr 09, 2012	80.63	80.64	80.53	80.58	786,506	+0.35(+0.44%)
Apr 05, 2012	80.21	80.23	80.07	80.23	1,023,496	+0.18(+0.23%)
Apr 04, 2012	80.02	80.07	79.92	80.05	1,553,858	+0.17(+0.21%)
Apr 03, 2012	80.29	80.35	79.82	79.88	1,048,092	-0.34(-0.43%)
Apr 02, 2012	80.41	80.41	80.10	80.22	3,277,279	+0.01(+0.01%)
Mar 30, 2012	80.40	80.40	80.09	80.21	1,535,513	-0.12(-0.15%)
Mar 29, 2012	80.28	80.37	80.20	80.34	1,654,368	+0.22(+0.27%)
Mar 28, 2012	80.12	80.23	80.09	80.12	1,112,937	-0.01(-0.02%)
Mar 27, 2012	80.09	80.18	80.04	80.13	3,491,052	+0.09(+0.11%)
Mar 26, 2012	80.07	80.09	79.91	80.04	1,188,417	-0.06(-0.07%)
Mar 23, 2012	79.93	80.10	79.91	80.10	1,038,572	+0.18(+0.23%)
Mar 22, 2012	79.85	79.93	79.85	79.92	913,124	+0.07(+0.09%)
Mar 21, 2012	79.76	79.88	79.69	79.85	808,949	+0.19(+0.24%)
Mar 20, 2012	79.53	79.66	79.47	79.66	1,315,153	+0.12(+0.15%)
Mar 19, 2012	79.81	79.81	79.51	79.54	1,570,498	-0.26(-0.32%)
Mar 16, 2012	79.70	79.82	79.63	79.80	1,278,940	+0.01(+0.01%)
Mar 15, 2012	79.78	79.93	79.78	79.79	1,096,183	-0.04(-0.05%)
Mar 14, 2012	80.15	80.20	79.77	79.82	1,533,457	-0.44(-0.55%)
Mar 13, 2012	80.48	80.49	80.25	80.26	1,978,464	-0.27(-0.34%)
Mar 12, 2012	80.61	80.65	80.50	80.53	1,501,781	+0.07(+0.09%)
Mar 09, 2012	80.49	80.49	80.42	80.46	973,556	-0.01(-0.02%)
Mar 08, 2012	80.65	80.67	80.45	80.47	1,330,154	-0.18(-0.23%)
Mar 07, 2012	80.72	80.73	80.63	80.66	1,144,922	-0.07(-0.09%)
Mar 06, 2012	80.72	80.77	80.65	80.73	1,446,769	+0.16(+0.20%)
Mar 05, 2012	80.67	80.70	80.56	80.57	1,503,846	-0.12(-0.14%)
Mar 02, 2012	80.56	80.69	80.54	80.69	1,182,990	+0.18(+0.22%)
Mar 01, 2012	80.49	80.55	80.38	80.51	1,701,843	-0.16(-0.20%)
Feb 29, 2012	80.81	80.81	80.56	80.67	2,737,026	-0.08(-0.10%)
Feb 28, 2012	80.86	80.89	80.71	80.75	1,091,795	-0.06(-0.07%)
Feb 27, 2012	80.72	80.81	80.67	80.81	977,484	+0.25(+0.32%)
Feb 24, 2012	80.59	80.70	80.54	80.56	1,872,966	+0.02(+0.03%)
Feb 23, 2012	80.43	80.56	80.39	80.54	1,082,317	+0.07(+0.08%)
Feb 22, 2012	80.37	80.47	80.32	80.47	1,338,763	+0.23(+0.28%)
Feb 21, 2012	80.32	80.35	80.24	80.24	1,433,066	-0.12(-0.15%)
Feb 17, 2012	80.35	80.39	80.27	80.37	1,172,034	-0.10(-0.13%)
Feb 16, 2012	80.48	80.54	80.40	80.47	1,261,316	-0.01(-0.02%)
Feb 15, 2012	80.59	80.61	80.48	80.48	1,201,989	-0.03(-0.04%)
Feb 14, 2012	80.53	80.64	80.50	80.51	1,202,946	+0.07(+0.08%)
Feb 13, 2012	80.47	80.52	80.40	80.45	1,255,949	+0.03(+0.04%)
Feb 10, 2012	80.38	80.51	80.37	80.42	981,507	+0.11(+0.14%)
Feb 09, 2012	80.39	80.43	80.25	80.31	1,466,784	-0.13(-0.16%)
Feb 08, 2012	80.46	80.52	80.36	80.44	2,031,390	-0.07(-0.08%)
Feb 07, 2012	80.46	80.54	80.37	80.51	1,326,975	-0.08(-0.10%)
Feb 06, 2012	80.50	80.59	80.41	80.59	2,545,882	+0.06(+0.07%)
Feb 03, 2012	80.34	80.56	80.28	80.53	1,568,428	-0.04(-0.05%)
Feb 02, 2012	80.52	80.62	80.46	80.56	1,622,980	+0.02(+0.03%)

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