Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2013	82.53	82.59	82.50	82.59	2,632,958	+0.07(+0.09%)
Jan 30, 2013	82.46	82.53	82.41	82.52	1,820,592	-0.04(-0.05%)
Jan 29, 2013	82.61	82.67	82.50	82.56	1,119,527	-0.05(-0.06%)
Jan 28, 2013	82.51	82.62	82.50	82.61	1,426,945	-0.12(-0.14%)
Jan 25, 2013	82.75	82.82	82.67	82.73	1,173,128	-0.20(-0.24%)
Jan 24, 2013	82.97	83.01	82.92	82.93	881,767	-0.11(-0.14%)
Jan 23, 2013	83.02	83.06	82.68	83.04	1,862,824	+0.09(+0.11%)
Jan 22, 2013	82.86	83.01	82.86	82.95	1,950,007	-0.04(-0.05%)
Jan 18, 2013	82.96	83.01	82.92	83.00	874,978	+0.10(+0.12%)
Jan 17, 2013	82.89	82.98	82.83	82.90	1,711,998	-0.18(-0.22%)
Jan 16, 2013	83.07	83.13	82.99	83.08	1,646,584	+0.04(+0.05%)
Jan 15, 2013	83.06	83.10	83.01	83.04	3,422,937	+0.02(+0.03%)
Jan 14, 2013	83.01	83.06	82.95	83.01	1,162,933	+0.07(+0.09%)
Jan 11, 2013	82.78	82.98	82.77	82.94	1,496,920	+0.08(+0.10%)
Jan 10, 2013	82.83	82.91	82.79	82.86	1,508,436	-0.01(-0.01%)
Jan 09, 2013	82.94	82.94	82.83	82.86	1,800,140	-0.06(-0.07%)
Jan 08, 2013	82.89	82.97	82.86	82.92	2,384,974	+0.07(+0.09%)
Jan 07, 2013	82.89	82.92	82.81	82.85	2,478,400	-0.04(-0.05%)
Jan 04, 2013	82.74	82.90	82.71	82.89	1,719,793	+0.09(+0.11%)
Jan 03, 2013	83.06	83.11	82.78	82.80	2,356,135	-0.21(-0.25%)
Jan 02, 2013	82.96	83.05	82.92	83.01	1,520,005	-0.10(-0.12%)
Dec 31, 2012	83.24	83.25	83.07	83.11	1,209,507	-0.15(-0.18%)
Dec 28, 2012	83.27	83.28	83.16	83.26	1,731,859	+0.13(+0.15%)
Dec 27, 2012	83.09	83.24	83.04	83.13	965,008	+0.04(+0.05%)
Dec 26, 2012	83.02	83.10	83.02	83.09	769,629	+0.11(+0.14%)
Dec 24, 2012	82.95	83.00	82.94	82.98	440,855	+0.01(+0.01%)
Dec 21, 2012	83.02	83.05	82.95	82.97	1,304,039	+0.07(+0.09%)
Dec 20, 2012	82.95	83.00	82.86	82.89	1,503,475	+0.01(+0.01%)
Dec 19, 2012	82.82	82.95	82.82	82.89	1,491,959	+0.14(+0.17%)
Dec 18, 2012	82.88	82.93	82.68	82.74	1,890,408	-0.19(-0.23%)
Dec 17, 2012	83.14	83.15	82.91	82.94	1,960,839	-0.20(-0.24%)
Dec 14, 2012	83.13	83.19	83.09	83.14	2,248,427	+0.15(+0.18%)
Dec 13, 2012	83.10	83.13	82.98	82.99	1,620,099	-0.13(-0.16%)
Dec 12, 2012	83.32	83.37	83.12	83.12	1,940,076	-0.23(-0.28%)
Dec 11, 2012	83.33	83.36	83.29	83.36	1,090,279	-0.03(-0.04%)
Dec 10, 2012	83.36	83.41	83.33	83.39	1,129,616	+0.02(+0.02%)
Dec 07, 2012	83.33	83.41	83.29	83.37	1,293,942	-0.07(-0.09%)
Dec 06, 2012	83.45	83.51	83.42	83.45	695,528	-0.01(-0.01%)
Dec 05, 2012	83.39	83.47	83.39	83.45	720,336	+0.07(+0.09%)
Dec 04, 2012	83.33	83.39	83.26	83.38	1,167,658	+0.06(+0.08%)
Nov 30, 2012	83.32	83.37	83.27	83.31	1,224,130	-0.04(-0.05%)
Nov 29, 2012	83.23	83.36	83.23	83.36	891,613	+0.10(+0.12%)
Nov 28, 2012	83.28	83.32	83.25	83.26	617,943	+0.01(+0.02%)
Nov 27, 2012	83.14	83.26	83.14	83.24	770,506	+0.11(+0.13%)
Nov 26, 2012	83.14	83.20	83.09	83.13	848,070	+0.03(+0.04%)
Nov 23, 2012	83.10	83.11	83.05	83.10	296,764	+0.05(+0.06%)
Nov 21, 2012	83.11	83.17	83.04	83.05	1,563,859	-0.14(-0.17%)
Nov 20, 2012	83.27	83.31	83.17	83.19	898,274	-0.16(-0.19%)
Nov 19, 2012	83.20	83.34	83.17	83.34	1,235,468	+0.06(+0.07%)
Nov 16, 2012	83.28	83.35	83.24	83.28	1,322,576	+0.03(+0.04%)
Nov 15, 2012	83.27	83.30	83.21	83.26	2,064,770	-0.08(-0.10%)
Nov 14, 2012	83.17	83.34	83.16	83.34	1,674,265	+0.02(+0.03%)
Nov 13, 2012	83.34	83.37	83.21	83.31	4,521,265	+0.15(+0.18%)
Nov 12, 2012	83.23	83.24	83.14	83.17	825,376	-0.02(-0.03%)
Nov 09, 2012	83.14	83.21	83.07	83.19	1,744,968	-0.04(-0.05%)
Nov 08, 2012	83.11	83.28	83.09	83.23	1,901,534	+0.10(+0.12%)
Nov 07, 2012	83.25	83.28	83.13	83.13	2,105,879	+0.19(+0.23%)
Nov 06, 2012	83.11	83.14	82.92	82.94	794,245	-0.24(-0.29%)
Nov 05, 2012	83.13	83.20	83.09	83.17	3,616,141	+0.14(+0.17%)
Nov 02, 2012	83.00	83.07	82.88	83.03	1,295,617	+0.05(+0.06%)
Nov 01, 2012	83.17	83.17	82.97	82.98	1,819,866	-0.11(-0.13%)
Oct 31, 2012	82.98	83.13	82.95	83.09	2,970,712	+0.12(+0.14%)
Oct 26, 2012	82.87	82.97	82.97	82.97	1,227,221	+0.22(+0.27%)
Oct 25, 2012	82.79	82.91	82.73	82.75	1,310,613	-0.18(-0.21%)
Oct 24, 2012	82.91	82.99	82.88	82.93	816,653	-0.06(-0.07%)
Oct 23, 2012	82.85	83.00	82.85	82.99	848,031	+0.07(+0.09%)
Oct 19, 2012	82.79	82.97	82.79	82.91	923,064	+0.10(+0.13%)
Oct 18, 2012	82.90	82.90	82.73	82.81	1,687,000	-0.03(-0.04%)
Oct 17, 2012	82.98	82.99	82.82	82.84	1,619,116	-0.26(-0.31%)
Oct 16, 2012	83.18	83.22	83.07	83.10	1,321,171	-0.13(-0.16%)
Oct 15, 2012	83.17	83.23	83.13	83.23	2,222,775	+0.04(+0.05%)
Oct 12, 2012	83.19	83.25	83.14	83.19	2,223,610	+0.07(+0.08%)
Oct 11, 2012	82.93	83.13	82.93	83.12	706,583	+0.10(+0.12%)
Oct 10, 2012	82.88	83.07	82.86	83.02	749,794	+0.13(+0.16%)
Oct 09, 2012	82.90	83.00	82.85	82.88	3,127,566	-0.09(-0.11%)
Oct 08, 2012	82.88	82.98	82.88	82.97	708,542	+0.13(+0.15%)
Oct 05, 2012	82.90	82.94	82.83	82.85	783,394	-0.17(-0.21%)
Oct 04, 2012	83.07	83.13	83.00	83.02	619,974	-0.12(-0.14%)
Oct 03, 2012	83.08	83.18	83.08	83.13	1,603,351	-0.03(-0.04%)
Oct 02, 2012	83.07	83.16	83.03	83.16	1,219,554	+0.07(+0.08%)
Oct 01, 2012	83.07	83.13	83.00	83.10	2,260,795	-0.03(-0.04%)
Sep 28, 2012	83.08	83.14	82.98	83.13	3,713,808	+0.12(+0.14%)
Sep 27, 2012	83.02	83.07	83.00	83.01	1,524,638	-0.05(-0.06%)
Sep 26, 2012	83.06	83.09	82.99	83.06	1,073,297	+0.08(+0.10%)
Sep 25, 2012	82.89	82.98	82.80	82.98	1,131,299	+0.13(+0.16%)
Sep 24, 2012	82.75	82.86	82.75	82.85	1,651,290	+0.09(+0.11%)
Sep 21, 2012	82.63	82.76	82.61	82.76	1,121,547	+0.13(+0.16%)
Sep 20, 2012	82.76	82.77	82.61	82.63	3,406,884	-0.05(-0.06%)
Sep 19, 2012	82.70	82.73	82.62	82.68	990,340	+0.16(+0.20%)
Sep 18, 2012	82.59	82.66	82.51	82.52	1,533,390	+0.05(+0.06%)
Sep 17, 2012	82.43	82.52	82.37	82.46	1,438,924	+0.13(+0.16%)
Sep 14, 2012	82.51	82.51	82.30	82.33	1,367,821	-0.34(-0.41%)
Sep 13, 2012	82.61	82.71	82.33	82.67	2,928,838	+0.19(+0.23%)
Sep 12, 2012	82.55	82.57	82.44	82.48	2,271,794	-0.16(-0.19%)
Sep 11, 2012	82.63	82.71	82.61	82.63	4,108,268	-0.10(-0.12%)
Sep 10, 2012	82.72	82.74	82.63	82.73	1,762,554	+0.01(+0.02%)
Sep 07, 2012	82.91	82.94	82.69	82.72	2,102,654	+0.01(+0.02%)
Sep 06, 2012	82.72	82.72	82.62	82.70	2,441,826	-0.19(-0.23%)
Sep 05, 2012	82.83	82.92	82.82	82.89	680,311	+0.00(+0.00%)
Sep 04, 2012	82.90	82.91	82.77	82.89	2,159,876	-0.02(-0.02%)
Aug 31, 2012	82.65	82.95	82.69	82.91	1,630,920	+0.26(+0.31%)
Aug 30, 2012	82.65	82.74	82.65	82.65	591,181	+0.05(+0.06%)
Aug 29, 2012	82.64	82.66	82.56	82.60	971,835	-0.01(-0.02%)
Aug 27, 2012	82.56	82.63	82.55	82.61	668,274	+0.11(+0.13%)
Aug 24, 2012	82.62	82.62	82.48	82.50	880,333	-0.06(-0.07%)
Aug 23, 2012	82.52	82.59	82.51	82.56	571,207	+0.06(+0.07%)
Aug 22, 2012	82.34	82.50	82.27	82.50	549,574	+0.35(+0.43%)
Aug 21, 2012	82.03	82.16	81.93	82.15	1,001,002	+0.11(+0.13%)
Aug 20, 2012	82.01	82.10	82.00	82.04	567,774	-0.03(-0.04%)
Aug 17, 2012	82.04	82.11	82.01	82.07	685,315	+0.10(+0.12%)
Aug 16, 2012	82.12	82.13	81.88	81.97	905,725	-0.10(-0.13%)
Aug 15, 2012	82.23	82.23	82.04	82.07	745,332	-0.27(-0.32%)
Aug 14, 2012	82.33	82.40	82.30	82.34	768,561	-0.19(-0.23%)
Aug 13, 2012	82.58	82.63	82.53	82.53	773,203	-0.01(-0.01%)
Aug 10, 2012	82.62	82.62	82.48	82.54	850,337	+0.13(+0.16%)
Aug 09, 2012	82.36	82.47	82.30	82.41	1,132,907	-0.02(-0.03%)
Aug 08, 2012	82.59	82.59	82.41	82.43	745,984	-0.10(-0.13%)
Aug 07, 2012	82.52	82.57	82.49	82.53	2,348,877	-0.22(-0.27%)
Aug 06, 2012	82.72	82.80	82.67	82.75	2,483,644	+0.13(+0.15%)
Aug 03, 2012	82.71	82.75	82.61	82.63	2,483,489	-0.20(-0.24%)
Aug 02, 2012	82.88	83.00	82.83	82.83	1,146,994	+0.01(+0.02%)
Aug 01, 2012	82.82	82.92	82.63	82.81	3,362,044	-0.10(-0.12%)
Jul 31, 2012	82.90	82.95	82.79	82.91	1,335,688	+0.08(+0.10%)
Jul 30, 2012	82.70	82.86	82.67	82.83	839,777	+0.14(+0.17%)
Jul 27, 2012	82.80	82.81	82.58	82.69	1,371,732	-0.25(-0.30%)
Jul 26, 2012	82.96	82.98	82.93	82.94	1,165,015	-0.05(-0.06%)
Jul 25, 2012	82.94	83.00	82.92	82.99	1,187,804	+0.03(+0.04%)
Jul 24, 2012	82.82	82.97	82.79	82.96	707,686	+0.10(+0.12%)
Jul 23, 2012	82.93	82.93	82.83	82.86	676,470	+0.07(+0.09%)
Jul 20, 2012	82.76	82.88	82.76	82.78	817,693	+0.12(+0.14%)
Jul 19, 2012	82.69	82.79	82.64	82.66	1,224,308	-0.07(-0.08%)
Jul 18, 2012	82.65	82.74	82.65	82.73	638,674	+0.16(+0.20%)
Jul 17, 2012	82.63	82.65	82.56	82.57	815,024	-0.03(-0.04%)
Jul 16, 2012	82.53	82.71	82.59	82.60	652,932	+0.07(+0.08%)
Jul 13, 2012	82.53	82.54	82.43	82.53	591,031	+0.03(+0.04%)
Jul 12, 2012	82.47	82.50	82.42	82.50	519,614	+0.15(+0.18%)
Jul 11, 2012	82.37	82.47	82.33	82.36	769,117	-0.01(-0.01%)
Jul 10, 2012	82.30	82.41	82.27	82.36	708,337	+0.04(+0.04%)
Jul 09, 2012	82.23	82.34	82.22	82.33	641,700	+0.16(+0.20%)
Jul 06, 2012	82.11	82.24	82.11	82.16	2,064,392	+0.06(+0.07%)
Jul 05, 2012	81.91	82.11	81.91	82.11	1,005,864	+0.21(+0.26%)
Jul 03, 2012	81.89	81.95	81.87	81.89	1,361,862	-0.06(-0.07%)
Jul 02, 2012	81.86	81.97	81.80	81.95	2,708,543	+0.16(+0.19%)
Jun 29, 2012	81.76	81.82	81.72	81.79	2,793,318	-0.11(-0.13%)
Jun 28, 2012	81.96	81.98	81.88	81.90	1,606,117	+0.10(+0.12%)
Jun 27, 2012	81.83	81.86	81.75	81.81	2,112,616	+0.04(+0.04%)
Jun 26, 2012	81.77	81.85	81.75	81.77	1,073,677	-0.09(-0.11%)
Jun 25, 2012	81.76	81.87	81.73	81.86	3,159,388	+0.26(+0.32%)
Jun 22, 2012	81.70	81.72	81.60	81.60	816,674	-0.12(-0.14%)
Jun 21, 2012	81.71	81.81	81.62	81.72	1,278,856	+0.11(+0.14%)
Jun 20, 2012	81.62	81.73	81.49	81.61	1,709,121	-0.12(-0.15%)
Jun 19, 2012	81.79	81.79	81.65	81.73	823,902	-0.10(-0.12%)
Jun 18, 2012	81.82	81.89	81.74	81.83	947,050	-0.02(-0.03%)
Jun 15, 2012	81.83	81.86	81.74	81.85	1,402,596	+0.19(+0.23%)
Jun 14, 2012	81.65	81.71	81.60	81.66	760,797	-0.06(-0.07%)
Jun 13, 2012	81.57	81.73	81.46	81.72	3,607,130	+0.21(+0.26%)
Jun 12, 2012	81.56	81.60	81.45	81.51	655,847	-0.07(-0.08%)
Jun 11, 2012	81.48	81.64	81.43	81.57	702,196	+0.07(+0.09%)
Jun 08, 2012	81.70	81.71	81.46	81.50	966,338	-0.04(-0.05%)
Jun 07, 2012	81.44	81.54	81.41	81.54	1,022,889	+0.12(+0.15%)
Jun 06, 2012	81.74	81.74	81.41	81.41	2,536,948	-0.24(-0.30%)
Jun 05, 2012	81.70	81.82	81.65	81.65	1,294,133	-0.17(-0.21%)
Jun 04, 2012	81.81	82.21	81.81	81.82	1,423,456	-0.19(-0.23%)
Jun 01, 2012	81.94	82.07	81.87	82.01	2,519,542	+0.20(+0.25%)
May 31, 2012	81.73	81.85	81.66	81.81	4,069,179	+0.24(+0.30%)
May 30, 2012	81.55	81.62	81.48	81.57	745,975	+0.27(+0.33%)
May 29, 2012	81.36	81.39	81.27	81.30	1,625,579	-0.04(-0.05%)
May 25, 2012	81.28	81.36	81.26	81.34	619,471	+0.12(+0.15%)
May 24, 2012	81.31	81.31	81.19	81.22	1,280,314	-0.07(-0.08%)
May 23, 2012	81.36	81.41	81.27	81.28	949,682	+0.10(+0.12%)
May 22, 2012	81.27	81.34	81.19	81.19	1,373,410	-0.20(-0.24%)
May 21, 2012	81.41	81.44	81.38	81.38	1,647,161	-0.01(-0.02%)
May 18, 2012	81.39	81.46	81.33	81.40	1,615,417	-0.02(-0.03%)
May 17, 2012	81.31	81.49	81.27	81.42	1,937,257	+0.05(+0.06%)
May 16, 2012	81.30	81.47	81.27	81.37	1,345,058	-0.01(-0.02%)
May 15, 2012	81.47	81.47	81.31	81.38	1,618,815	-0.04(-0.05%)
May 14, 2012	81.40	81.44	81.34	81.43	1,040,752	+0.18(+0.23%)
May 11, 2012	81.34	81.35	81.22	81.25	608,527	+0.06(+0.07%)
May 10, 2012	81.19	81.22	81.12	81.19	717,968	-0.08(-0.10%)
May 09, 2012	81.34	81.34	81.19	81.27	1,268,074	+0.02(+0.03%)
May 08, 2012	81.28	81.36	81.24	81.25	791,104	+0.06(+0.07%)
May 07, 2012	81.21	81.23	81.16	81.19	880,968	+0.03(+0.04%)
May 04, 2012	81.15	81.18	81.08	81.16	833,865	+0.08(+0.10%)
May 03, 2012	80.98	81.08	80.97	81.08	784,510	+0.09(+0.11%)
May 02, 2012	81.00	81.04	80.93	80.99	1,770,605	+0.08(+0.10%)
May 01, 2012	81.00	81.03	80.86	80.91	1,053,705	-0.03(-0.04%)
Apr 30, 2012	81.03	81.03	80.93	80.94	1,205,097	-0.03(-0.04%)
Apr 27, 2012	80.94	80.99	80.90	80.97	845,473	-0.01(-0.01%)
Apr 26, 2012	80.97	81.00	80.89	80.97	1,396,053	+0.12(+0.15%)
Apr 25, 2012	80.80	80.86	80.67	80.85	1,342,297	+0.04(+0.05%)
Apr 24, 2012	80.89	80.92	80.80	80.81	857,438	-0.12(-0.14%)
Apr 23, 2012	81.04	81.04	80.89	80.93	1,075,494	+0.08(+0.10%)
Apr 20, 2012	80.85	80.88	80.77	80.85	2,090,999	+0.01(+0.02%)
Apr 19, 2012	80.86	80.92	80.83	80.83	845,417	-0.06(-0.07%)
Apr 18, 2012	80.82	80.89	80.75	80.89	1,208,310	+0.10(+0.13%)
Apr 17, 2012	80.72	80.79	80.68	80.79	1,007,835	+0.01(+0.02%)
Apr 16, 2012	80.67	80.86	80.67	80.78	1,532,080	+0.01(+0.02%)
Apr 13, 2012	80.72	80.78	80.65	80.76	1,509,404	+0.25(+0.31%)
Apr 12, 2012	80.57	80.60	80.50	80.51	691,275	-0.08(-0.10%)
Apr 11, 2012	80.53	80.59	80.42	80.59	1,643,985	+0.01(+0.01%)
Apr 10, 2012	80.64	80.75	80.55	80.59	2,587,873	+0.01(+0.01%)
Apr 09, 2012	80.63	80.64	80.53	80.58	786,517	+0.35(+0.44%)
Apr 05, 2012	80.21	80.23	80.06	80.23	1,023,510	+0.18(+0.23%)
Apr 04, 2012	80.02	80.07	79.92	80.04	1,553,880	+0.17(+0.21%)
Apr 03, 2012	80.29	80.34	79.82	79.88	1,048,107	-0.34(-0.43%)
Apr 02, 2012	80.41	80.41	80.10	80.22	3,277,324	+0.01(+0.01%)
Mar 30, 2012	80.40	80.40	80.09	80.21	1,535,534	-0.12(-0.15%)
Mar 29, 2012	80.28	80.36	80.20	80.33	1,654,391	+0.22(+0.27%)
Mar 28, 2012	80.12	80.23	80.09	80.12	1,112,953	-0.01(-0.02%)
Mar 27, 2012	80.09	80.18	80.04	80.13	3,491,101	+0.09(+0.11%)
Mar 26, 2012	80.06	80.09	79.91	80.04	1,188,434	-0.06(-0.07%)
Mar 23, 2012	79.93	80.10	79.91	80.10	1,038,587	+0.18(+0.23%)
Mar 22, 2012	79.85	79.93	79.85	79.92	913,137	+0.07(+0.09%)
Mar 21, 2012	79.76	79.87	79.68	79.85	808,961	+0.19(+0.24%)
Mar 20, 2012	79.53	79.66	79.47	79.66	1,315,172	+0.12(+0.15%)
Mar 19, 2012	79.81	79.81	79.51	79.54	1,570,520	-0.26(-0.32%)
Mar 16, 2012	79.70	79.82	79.63	79.79	1,278,958	+0.01(+0.01%)
Mar 15, 2012	79.78	79.93	79.77	79.79	1,096,198	-0.04(-0.05%)
Mar 14, 2012	80.14	80.20	79.77	79.82	1,533,479	-0.44(-0.55%)
Mar 13, 2012	80.48	80.49	80.25	80.26	1,978,491	-0.27(-0.34%)
Mar 12, 2012	80.60	80.65	80.50	80.53	1,501,802	+0.07(+0.09%)
Mar 09, 2012	80.49	80.49	80.42	80.46	973,570	-0.01(-0.02%)
Mar 08, 2012	80.65	80.67	80.45	80.47	1,330,172	-0.18(-0.23%)
Mar 07, 2012	80.72	80.73	80.63	80.66	1,144,938	-0.07(-0.09%)
Mar 06, 2012	80.72	80.77	80.65	80.73	1,446,789	+0.16(+0.20%)
Mar 05, 2012	80.67	80.70	80.55	80.57	1,503,867	-0.12(-0.14%)
Mar 02, 2012	80.55	80.69	80.54	80.69	1,183,006	+0.18(+0.22%)
Mar 01, 2012	80.49	80.55	80.38	80.51	1,701,866	-0.16(-0.20%)
Feb 29, 2012	80.80	80.80	80.56	80.67	2,737,065	-0.08(-0.10%)
Feb 28, 2012	80.86	80.88	80.71	80.75	1,091,810	-0.06(-0.07%)
Feb 27, 2012	80.72	80.81	80.67	80.81	977,498	+0.25(+0.32%)
Feb 24, 2012	80.59	80.69	80.54	80.56	1,872,993	+0.02(+0.03%)
Feb 23, 2012	80.43	80.56	80.39	80.53	1,082,333	+0.07(+0.08%)
Feb 22, 2012	80.37	80.47	80.32	80.47	1,338,782	+0.23(+0.28%)
Feb 21, 2012	80.32	80.35	80.24	80.24	1,433,086	-0.12(-0.15%)
Feb 17, 2012	80.35	80.39	80.27	80.37	1,172,051	-0.10(-0.13%)
Feb 16, 2012	80.48	80.54	80.40	80.47	1,261,334	-0.01(-0.02%)
Feb 15, 2012	80.59	80.61	80.48	80.48	1,202,006	-0.03(-0.04%)
Feb 14, 2012	80.53	80.64	80.50	80.51	1,202,963	+0.07(+0.08%)
Feb 13, 2012	80.47	80.52	80.40	80.45	1,255,967	+0.03(+0.04%)
Feb 10, 2012	80.37	80.51	80.37	80.42	981,521	+0.11(+0.14%)
Feb 09, 2012	80.39	80.43	80.25	80.31	1,466,805	-0.13(-0.16%)
Feb 08, 2012	80.46	80.52	80.36	80.44	2,031,419	-0.07(-0.08%)
Feb 07, 2012	80.45	80.53	80.37	80.51	1,326,994	-0.08(-0.10%)
Feb 06, 2012	80.50	80.59	80.41	80.59	2,545,918	+0.06(+0.07%)
Feb 03, 2012	80.34	80.56	80.28	80.53	1,568,450	-0.04(-0.05%)
Feb 02, 2012	80.52	80.61	80.46	80.56	1,623,003	+0.02(+0.03%)

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