Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	82.31	82.32	82.27	82.32	124,027	-0.07(-0.09%)
Apr 28, 2011	82.35	82.39	82.35	82.39	101,760	+0.05(+0.06%)
Apr 27, 2011	82.34	82.35	82.31	82.34	90,307	-0.02(-0.03%)
Apr 26, 2011	82.36	82.37	82.32	82.36	170,821	+0.02(+0.03%)
Apr 25, 2011	82.31	82.35	82.28	82.34	70,376	+0.02(+0.03%)
Apr 21, 2011	82.32	82.32	82.29	82.32	78,097	-0.02(-0.02%)
Apr 20, 2011	82.34	82.34	82.28	82.33	179,936	+0.01(+0.01%)
Apr 19, 2011	82.27	82.33	82.27	82.32	122,037	+0.02(+0.03%)
Apr 18, 2011	82.23	82.31	82.23	82.30	106,171	+0.04(+0.05%)
Apr 15, 2011	82.24	82.28	82.23	82.26	134,923	+0.07(+0.08%)
Apr 14, 2011	82.22	82.23	82.19	82.19	68,974	-0.07(-0.08%)
Apr 13, 2011	82.23	82.26	82.20	82.26	77,797	+0.02(+0.03%)
Apr 12, 2011	82.19	82.24	82.19	82.23	85,786	+0.05(+0.06%)
Apr 11, 2011	82.17	82.20	82.17	82.19	80,591	+0.02(+0.02%)
Apr 08, 2011	82.14	82.20	82.14	82.17	86,047	+0.02(+0.02%)
Apr 07, 2011	82.18	82.19	82.13	82.15	2,031,984	-0.03(-0.03%)
Apr 06, 2011	82.18	82.19	82.17	82.18	128,877	+0.00(+0.00%)
Apr 05, 2011	82.19	82.19	82.12	82.18	535,402	-0.00(-0.00%)
Apr 04, 2011	82.21	82.22	82.18	82.18	292,522	-0.03(-0.03%)
Apr 01, 2011	82.12	82.21	82.12	82.21	272,956	+0.09(+0.11%)
Mar 31, 2011	82.19	82.22	82.10	82.12	451,385	-0.15(-0.18%)
Mar 30, 2011	82.22	82.27	82.20	82.27	136,705	+0.05(+0.06%)
Mar 29, 2011	82.21	82.24	82.20	82.22	301,945	-0.01(-0.01%)
Mar 28, 2011	82.18	82.23	82.17	82.23	135,219	+0.02(+0.02%)
Mar 25, 2011	82.21	82.24	82.19	82.21	90,361	-0.02(-0.02%)
Mar 24, 2011	82.18	82.24	82.18	82.23	112,697	+0.06(+0.08%)
Mar 23, 2011	82.24	82.24	82.16	82.16	172,601	-0.01(-0.01%)
Mar 22, 2011	82.21	82.21	82.15	82.17	116,693	-0.02(-0.02%)
Mar 21, 2011	82.18	82.19	82.16	82.19	108,101	+0.02(+0.02%)
Mar 18, 2011	82.18	82.22	82.17	82.17	213,847	-0.04(-0.05%)
Mar 17, 2011	82.17	82.22	82.15	82.21	458,136	+0.02(+0.03%)
Mar 16, 2011	82.18	82.25	82.17	82.19	414,824	+0.02(+0.03%)
Mar 15, 2011	82.24	82.24	82.14	82.16	256,168	-0.05(-0.06%)
Mar 14, 2011	82.24	82.26	82.20	82.21	55,818	-0.02(-0.02%)
Mar 11, 2011	82.23	82.23	82.18	82.23	98,256	+0.04(+0.05%)
Mar 10, 2011	82.19	82.19	82.14	82.18	136,466	-0.00(-0.00%)
Mar 09, 2011	82.16	82.19	82.14	82.19	67,632	+0.05(+0.06%)
Mar 08, 2011	82.15	82.15	82.12	82.14	95,337	-0.02(-0.03%)
Mar 07, 2011	82.14	82.16	82.13	82.16	102,010	+0.02(+0.02%)
Mar 04, 2011	82.07	82.14	82.06	82.14	156,864	+0.08(+0.10%)
Mar 03, 2011	82.13	82.14	82.06	82.06	339,116	-0.06(-0.07%)
Mar 02, 2011	82.12	82.14	82.10	82.12	55,371	-0.01(-0.01%)
Mar 01, 2011	82.10	82.13	82.09	82.13	147,755	-0.02(-0.02%)
Feb 28, 2011	82.11	82.14	82.08	82.14	83,950	+0.01(+0.01%)
Feb 25, 2011	82.12	82.14	82.09	82.14	92,485	+0.02(+0.03%)
Feb 24, 2011	82.11	82.16	82.10	82.11	160,346	+0.01(+0.01%)
Feb 23, 2011	82.11	82.13	82.10	82.10	96,518	-0.02(-0.02%)
Feb 22, 2011	82.11	82.13	82.08	82.12	75,938	+0.02(+0.03%)
Feb 18, 2011	82.04	82.10	82.03	82.10	202,473	+0.04(+0.05%)
Feb 17, 2011	82.01	82.05	82.01	82.05	70,864	+0.03(+0.04%)
Feb 16, 2011	82.01	82.02	81.97	82.02	163,978	+0.05(+0.06%)
Feb 15, 2011	81.92	81.97	81.92	81.97	61,504	+0.05(+0.06%)
Feb 14, 2011	81.93	81.97	81.92	81.92	79,610	-0.01(-0.01%)
Feb 11, 2011	81.91	81.97	81.91	81.93	64,472	+0.02(+0.03%)
Feb 10, 2011	81.92	81.94	81.88	81.91	226,174	+0.00(+0.00%)
Feb 09, 2011	81.88	81.94	81.88	81.91	106,356	+0.05(+0.06%)
Feb 08, 2011	81.95	81.95	81.86	81.86	108,252	-0.07(-0.08%)
Feb 07, 2011	81.90	81.96	81.89	81.92	57,387	+0.02(+0.02%)
Feb 04, 2011	81.93	81.97	81.90	81.91	120,824	-0.05(-0.06%)
Feb 03, 2011	81.97	81.97	81.90	81.96	99,622	-0.03(-0.04%)
Feb 02, 2011	82.01	82.01	81.94	81.99	145,061	-0.01(-0.01%)
Feb 01, 2011	82.00	82.03	81.96	82.00	110,235	-0.02(-0.03%)
Jan 31, 2011	82.05	82.05	82.01	82.02	43,852	-0.10(-0.12%)
Jan 28, 2011	82.07	82.12	82.05	82.12	37,771	+0.04(+0.05%)
Jan 27, 2011	82.04	82.09	82.03	82.08	47,146	+0.04(+0.05%)
Jan 26, 2011	82.06	82.08	82.02	82.04	63,669	-0.02(-0.02%)
Jan 25, 2011	82.02	82.06	82.01	82.05	123,676	+0.03(+0.04%)
Jan 24, 2011	82.02	82.03	81.99	82.02	111,976	+0.01(+0.01%)
Jan 21, 2011	81.97	82.01	81.97	82.01	24,974	+0.03(+0.04%)
Jan 20, 2011	82.00	82.02	81.94	81.98	57,620	-0.06(-0.08%)
Jan 19, 2011	82.03	82.05	81.97	82.05	200,823	+0.01(+0.01%)
Jan 18, 2011	82.04	82.05	82.00	82.04	50,225	-0.01(-0.02%)
Jan 14, 2011	82.05	82.06	82.03	82.05	56,810	+0.01(+0.02%)
Jan 13, 2011	81.96	82.04	81.95	82.04	173,683	+0.05(+0.06%)
Jan 12, 2011	81.94	81.99	81.94	81.99	110,187	-0.02(-0.02%)
Jan 11, 2011	82.03	82.03	81.98	82.01	51,957	-0.01(-0.01%)
Jan 10, 2011	81.97	82.02	81.97	82.01	181,628	+0.04(+0.05%)
Jan 07, 2011	81.94	81.98	81.93	81.97	151,989	+0.04(+0.05%)
Jan 06, 2011	81.93	81.93	81.90	81.93	187,191	+0.00(+0.00%)
Jan 05, 2011	81.94	81.95	81.91	81.93	255,730	-0.02(-0.03%)
Jan 04, 2011	81.95	81.99	81.92	81.96	135,942	+0.07(+0.09%)
Jan 03, 2011	81.93	81.94	81.87	81.88	47,011	-0.06(-0.07%)
Dec 31, 2010	81.86	81.96	81.86	81.94	16,331	+0.10(+0.12%)
Dec 30, 2010	81.88	81.91	81.81	81.84	112,995	-0.07(-0.08%)
Dec 29, 2010	81.84	81.91	81.77	81.91	63,822	+0.06(+0.07%)
Dec 28, 2010	81.87	81.89	81.83	81.85	135,186	-0.08(-0.10%)
Dec 27, 2010	81.85	81.93	81.84	81.93	106,141	+0.06(+0.07%)
Dec 23, 2010	81.88	81.89	81.85	81.88	48,102	-0.02(-0.03%)
Dec 22, 2010	81.84	81.91	81.84	81.90	81,949	+0.07(+0.08%)
Dec 21, 2010	81.82	81.89	81.82	81.84	72,895	+0.00(+0.00%)
Dec 20, 2010	81.88	81.89	81.83	81.84	19,791	-0.01(-0.01%)
Dec 17, 2010	81.80	81.88	81.80	81.84	54,202	+0.09(+0.11%)
Dec 16, 2010	81.81	81.81	81.74	81.75	40,009	-0.11(-0.13%)
Dec 15, 2010	81.80	81.86	81.80	81.86	68,169	-0.02(-0.03%)
Dec 14, 2010	81.83	81.91	81.82	81.88	323,178	+0.05(+0.06%)
Dec 13, 2010	81.80	81.86	81.80	81.84	65,519	-0.02(-0.02%)
Dec 10, 2010	81.83	81.88	81.81	81.85	156,511	+0.02(+0.03%)
Dec 09, 2010	81.83	81.84	81.79	81.83	142,883	-0.01(-0.01%)
Dec 08, 2010	82.00	82.00	81.84	81.84	1,595,156	-0.36(-0.43%)
Dec 07, 2010	82.19	82.22	82.17	82.19	39,067	-0.00(-0.00%)
Dec 06, 2010	82.14	82.19	82.14	82.19	58,260	+0.02(+0.02%)
Dec 03, 2010	82.18	82.18	82.13	82.18	95,909	+0.00(+0.00%)
Dec 02, 2010	82.19	82.19	82.15	82.18	99,447	-0.04(-0.05%)
Dec 01, 2010	82.22	82.22	82.19	82.22	83,944	+0.00(+0.00%)
Nov 30, 2010	82.21	82.22	82.20	82.22	97,193	-0.06(-0.07%)
Nov 29, 2010	82.27	82.27	82.24	82.27	45,186	+0.02(+0.02%)
Nov 26, 2010	82.25	82.26	82.23	82.26	18,786	-0.01(-0.01%)
Nov 24, 2010	82.26	82.27	82.27	82.27	100,474	-0.03(-0.03%)
Nov 23, 2010	82.25	82.29	82.25	82.29	99,251	+0.01(+0.01%)
Nov 22, 2010	82.27	82.28	82.26	82.28	109,491	+0.03(+0.04%)
Nov 19, 2010	82.27	82.27	82.25	82.25	133,999	-0.02(-0.03%)
Nov 18, 2010	82.25	82.27	82.24	82.27	2,683,951	+0.02(+0.03%)
Nov 17, 2010	82.22	82.25	82.21	82.25	14,450	+0.04(+0.05%)
Nov 16, 2010	82.24	82.25	82.21	82.21	58,578	-0.05(-0.06%)
Nov 15, 2010	82.26	82.27	82.24	82.26	24,439	-0.01(-0.01%)
Nov 12, 2010	82.29	82.31	82.25	82.27	122,189	-0.01(-0.01%)
Nov 11, 2010	82.27	82.30	82.27	82.28	16,798	-0.01(-0.01%)
Nov 10, 2010	82.27	82.28	82.24	82.28	46,357	-0.01(-0.01%)
Nov 09, 2010	82.26	82.30	82.25	82.29	97,310	+0.00(+0.00%)
Nov 08, 2010	82.26	82.30	82.26	82.29	54,436	-0.01(-0.01%)
Nov 05, 2010	82.28	82.31	82.26	82.30	54,380	+0.03(+0.04%)
Nov 04, 2010	82.27	82.28	82.25	82.27	55,972	+0.00(+0.00%)
Nov 03, 2010	82.26	82.27	82.25	82.27	49,796	+0.02(+0.02%)
Nov 02, 2010	82.21	82.25	82.21	82.25	63,178	+0.03(+0.04%)
Nov 01, 2010	82.23	82.23	82.21	82.22	31,693	+0.02(+0.03%)
Oct 29, 2010	82.20	82.21	82.19	82.19	28,147	-0.07(-0.08%)
Oct 28, 2010	82.24	82.26	82.23	82.26	84,283	+0.01(+0.01%)
Oct 27, 2010	82.24	82.26	82.22	82.25	81,839	-0.01(-0.01%)
Oct 25, 2010	82.25	82.26	82.23	82.26	50,167	+0.02(+0.02%)
Oct 22, 2010	82.25	82.25	82.23	82.24	44,244	+0.00(+0.00%)
Oct 21, 2010	82.22	82.24	82.21	82.24	26,333	+0.03(+0.04%)
Oct 20, 2010	82.21	82.24	82.21	82.21	97,879	-0.03(-0.04%)
Oct 19, 2010	82.21	82.25	82.18	82.24	82,617	+0.02(+0.02%)
Oct 18, 2010	82.21	82.23	82.19	82.23	240,984	+0.00(+0.00%)
Oct 15, 2010	82.19	82.23	82.19	82.23	76,704	+0.00(+0.00%)
Oct 14, 2010	82.21	82.23	82.18	82.23	51,712	+0.03(+0.04%)
Oct 13, 2010	82.16	82.20	82.16	82.19	51,365	+0.04(+0.05%)
Oct 12, 2010	82.19	82.22	82.15	82.15	176,732	-0.11(-0.13%)
Oct 11, 2010	82.22	82.28	82.17	82.26	304,516	+0.11(+0.13%)
Oct 08, 2010	82.15	82.17	82.14	82.15	153,221	+0.03(+0.04%)
Oct 07, 2010	82.14	82.14	82.12	82.12	50,771	+0.00(+0.00%)
Oct 06, 2010	82.14	82.16	82.11	82.12	47,708	-0.02(-0.03%)
Oct 05, 2010	82.15	82.15	82.12	82.14	25,275	-0.01(-0.01%)
Oct 04, 2010	82.14	82.17	82.13	82.15	569,400	+0.02(+0.03%)
Oct 01, 2010	82.13	82.13	82.09	82.13	82,539	+0.02(+0.02%)
Sep 30, 2010	82.08	82.11	82.07	82.11	75,322	-0.05(-0.06%)
Sep 29, 2010	82.15	82.17	82.14	82.16	39,568	+0.02(+0.02%)
Sep 28, 2010	82.12	82.15	82.10	82.14	150,259	+0.05(+0.06%)
Sep 27, 2010	82.10	82.11	82.09	82.10	43,012	-0.01(-0.01%)
Sep 24, 2010	82.10	82.12	82.10	82.11	25,168	+0.03(+0.03%)
Sep 23, 2010	82.10	82.11	82.08	82.08	41,990	-0.02(-0.03%)
Sep 22, 2010	82.11	82.12	82.08	82.10	64,102	+0.01(+0.01%)
Sep 21, 2010	82.10	82.11	82.06	82.10	148,798	+0.02(+0.02%)
Sep 20, 2010	82.07	82.08	82.05	82.08	43,643	+0.04(+0.05%)
Sep 17, 2010	82.04	82.06	82.04	82.04	58,547	-0.02(-0.03%)
Sep 15, 2010	82.03	82.06	82.03	82.06	39,053	+0.03(+0.04%)
Sep 14, 2010	82.01	82.03	82.00	82.03	25,475	+0.02(+0.03%)
Sep 13, 2010	81.98	82.01	81.97	82.01	34,416	+0.02(+0.03%)
Sep 10, 2010	81.97	81.98	81.96	81.98	30,009	+0.02(+0.02%)
Sep 09, 2010	82.00	82.00	81.96	81.97	26,353	-0.03(-0.04%)
Sep 08, 2010	81.99	82.00	81.97	82.00	30,172	+0.02(+0.02%)
Sep 07, 2010	81.96	81.98	81.96	81.98	7,347	+0.00(+0.00%)
Sep 03, 2010	81.97	81.99	81.96	81.98	56,523	+0.00(+0.00%)
Sep 02, 2010	81.95	81.98	81.95	81.98	14,792	+0.01(+0.01%)
Sep 01, 2010	81.94	81.97	81.94	81.97	52,651	+0.01(+0.01%)
Aug 31, 2010	81.97	81.98	81.94	81.97	65,120	-0.07(-0.08%)
Aug 30, 2010	81.96	82.03	81.96	82.03	164,541	+0.05(+0.06%)
Aug 27, 2010	81.98	82.01	81.96	81.98	36,913	-0.01(-0.02%)
Aug 26, 2010	82.01	82.02	81.99	82.00	25,349	+0.02(+0.02%)
Aug 25, 2010	82.02	82.02	81.98	81.98	64,522	-0.02(-0.03%)
Aug 24, 2010	81.98	82.01	81.97	82.01	46,348	-0.01(-0.01%)
Aug 23, 2010	81.97	82.01	81.97	82.01	29,019	+0.04(+0.05%)
Aug 20, 2010	81.99	81.99	81.96	81.97	83,062	+0.01(+0.01%)
Aug 19, 2010	81.97	81.98	81.94	81.97	55,228	+0.02(+0.03%)
Aug 18, 2010	81.97	81.97	81.93	81.94	33,908	-0.02(-0.02%)
Aug 17, 2010	81.92	81.96	81.92	81.96	26,012	+0.01(+0.01%)
Aug 16, 2010	81.91	81.96	81.91	81.95	41,196	+0.01(+0.02%)
Aug 13, 2010	81.94	81.95	81.91	81.94	24,627	+0.02(+0.02%)
Aug 12, 2010	81.92	81.94	81.88	81.92	41,206	+0.02(+0.03%)
Aug 11, 2010	81.89	81.92	81.88	81.89	56,234	-0.03(-0.04%)
Aug 10, 2010	81.93	81.93	81.90	81.93	37,975	+0.03(+0.04%)
Aug 09, 2010	81.91	81.93	81.88	81.90	49,717	-0.02(-0.03%)
Aug 06, 2010	81.92	81.92	81.89	81.92	39,530	+0.01(+0.01%)
Aug 05, 2010	81.89	81.91	81.86	81.91	148,885	+0.02(+0.03%)
Aug 04, 2010	81.89	81.89	81.84	81.88	136,367	+0.03(+0.03%)
Aug 03, 2010	81.86	81.88	81.84	81.86	36,600	-0.02(-0.02%)
Aug 02, 2010	81.85	81.88	81.79	81.88	387,121	+0.06(+0.08%)
Jul 30, 2010	81.81	81.83	81.79	81.81	25,993	-0.06(-0.07%)
Jul 29, 2010	81.84	81.88	81.83	81.87	56,182	+0.02(+0.02%)
Jul 28, 2010	81.80	81.85	81.80	81.85	42,699	+0.08(+0.10%)
Jul 27, 2010	81.77	81.81	81.76	81.77	111,228	-0.03(-0.04%)
Jul 26, 2010	81.80	81.82	81.77	81.80	61,721	-0.02(-0.02%)
Jul 23, 2010	81.82	81.84	81.79	81.82	35,552	+0.01(+0.01%)
Jul 22, 2010	81.77	81.82	81.77	81.81	55,254	+0.01(+0.01%)
Jul 21, 2010	81.82	81.82	81.79	81.80	33,769	+0.03(+0.04%)
Jul 20, 2010	81.80	81.82	81.77	81.77	59,164	-0.01(-0.02%)
Jul 19, 2010	81.78	81.79	81.76	81.79	36,279	-0.01(-0.01%)
Jul 16, 2010	81.79	81.79	81.73	81.79	102,356	+0.04(+0.05%)
Jul 15, 2010	81.74	81.75	81.71	81.75	133,834	+0.02(+0.03%)
Jul 14, 2010	81.72	81.73	81.69	81.73	29,906	+0.03(+0.04%)
Jul 13, 2010	81.70	81.70	81.66	81.70	83,939	+0.01(+0.01%)
Jul 12, 2010	81.68	81.69	81.67	81.69	23,350	+0.01(+0.01%)
Jul 09, 2010	81.68	81.70	81.66	81.68	59,541	-0.01(-0.01%)
Jul 08, 2010	81.68	81.70	81.65	81.69	127,982	+0.01(+0.02%)
Jul 07, 2010	81.69	81.70	81.67	81.68	58,442	+0.00(+0.00%)
Jul 06, 2010	81.66	81.67	81.65	81.67	96,580	+0.02(+0.02%)
Jul 02, 2010	81.66	81.67	81.65	81.66	43,165	+0.00(+0.00%)
Jul 01, 2010	81.65	81.66	81.64	81.66	91,880	+0.00(+0.00%)
Jun 30, 2010	81.66	81.66	81.63	81.65	70,437	-0.06(-0.07%)
Jun 29, 2010	81.70	81.72	81.67	81.71	95,718	+0.07(+0.08%)
Jun 25, 2010	81.65	81.67	81.63	81.65	113,696	+0.01(+0.01%)
Jun 24, 2010	81.65	81.65	81.61	81.64	92,341	+0.02(+0.02%)
Jun 23, 2010	81.58	81.63	81.58	81.62	86,036	+0.02(+0.02%)
Jun 22, 2010	81.61	81.62	81.58	81.61	62,158	+0.02(+0.02%)
Jun 21, 2010	81.59	81.59	81.57	81.59	141,021	+0.00(+0.00%)
Jun 18, 2010	81.59	81.59	81.56	81.59	44,297	+0.04(+0.04%)
Jun 17, 2010	81.56	81.57	81.54	81.56	87,093	+0.01(+0.02%)
Jun 16, 2010	81.55	81.55	81.52	81.54	89,100	+0.01(+0.01%)
Jun 15, 2010	81.50	81.57	81.50	81.53	443,590	+0.01(+0.01%)
Jun 14, 2010	81.53	81.53	81.51	81.53	66,219	-0.02(-0.03%)
Jun 11, 2010	81.53	81.55	81.52	81.55	51,084	+0.03(+0.04%)
Jun 10, 2010	81.49	81.53	81.49	81.52	37,566	-0.03(-0.04%)
Jun 09, 2010	81.51	81.55	81.51	81.55	69,987	+0.02(+0.03%)
Jun 08, 2010	81.53	81.53	81.50	81.53	72,226	+0.01(+0.01%)
Jun 07, 2010	81.51	81.52	81.49	81.52	60,152	+0.01(+0.01%)
Jun 04, 2010	81.51	81.53	81.49	81.51	69,995	+0.02(+0.03%)
Jun 03, 2010	81.46	81.50	81.46	81.49	33,948	-0.01(-0.01%)
Jun 02, 2010	81.51	81.51	81.48	81.50	489,527	-0.00(-0.01%)
Jun 01, 2010	81.48	81.50	81.47	81.50	30,730	+0.04(+0.04%)
May 28, 2010	81.47	81.50	81.44	81.47	145,231	-0.06(-0.07%)
May 27, 2010	81.53	81.53	81.50	81.53	40,446	-0.00(-0.01%)
May 26, 2010	81.49	81.53	81.49	81.53	92,810	+0.00(+0.01%)
May 25, 2010	81.52	81.55	81.52	81.53	48,465	-0.01(-0.01%)
May 24, 2010	81.56	81.57	81.53	81.54	132,679	-0.03(-0.04%)
May 21, 2010	81.58	81.59	81.57	81.57	112,570	-0.01(-0.02%)
May 20, 2010	81.57	81.59	81.57	81.58	33,191	-0.01(-0.01%)
May 19, 2010	81.59	81.60	81.57	81.59	213,622	+0.01(+0.02%)
May 18, 2010	81.59	81.59	81.54	81.57	59,075	+0.00(+0.00%)
May 17, 2010	81.57	81.61	81.56	81.57	27,578	-0.04(-0.04%)
May 14, 2010	81.61	81.62	81.59	81.61	104,805	+0.02(+0.03%)
May 13, 2010	81.58	81.58	81.56	81.58	8,264	+0.00(+0.00%)
May 12, 2010	81.64	81.64	81.58	81.58	22,633	+0.00(+0.00%)
May 11, 2010	81.58	81.58	81.56	81.58	18,483	-0.02(-0.02%)
May 10, 2010	81.60	81.62	81.59	81.60	39,185	-0.09(-0.11%)
May 07, 2010	81.61	81.69	81.53	81.69	70,741	+0.09(+0.11%)
May 06, 2010	81.64	81.64	81.59	81.60	21,195	-0.02(-0.02%)
May 05, 2010	81.62	81.63	81.62	81.62	12,634	+0.01(+0.01%)
May 04, 2010	81.62	81.62	81.60	81.61	12,771	+0.01(+0.01%)

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