Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2012	23.27	23.27	23.17	23.25	28,556	-0.01(-0.03%)
Nov 29, 2012	23.20	23.29	23.12	23.26	81,959	+0.12(+0.53%)
Nov 28, 2012	22.88	23.14	22.86	23.14	406,425	+0.22(+0.96%)
Nov 27, 2012	22.97	23.08	22.92	22.92	22,644	-0.02(-0.07%)
Nov 26, 2012	22.95	22.96	22.86	22.93	36,010	-0.10(-0.44%)
Nov 23, 2012	22.79	23.04	22.79	23.04	10,758	+0.30(+1.34%)
Nov 21, 2012	22.73	22.74	22.66	22.73	15,483	+0.10(+0.43%)
Nov 20, 2012	22.54	22.70	22.53	22.63	123,506	+0.07(+0.31%)
Nov 19, 2012	22.32	22.56	21.76	22.56	926,743	+0.45(+2.04%)
Nov 16, 2012	21.97	22.13	21.87	22.11	81,509	+0.19(+0.89%)
Nov 15, 2012	21.81	21.92	21.78	21.92	154,525	+0.06(+0.28%)
Nov 14, 2012	22.17	22.19	21.84	21.86	51,384	-0.34(-1.52%)
Nov 13, 2012	22.12	22.33	22.10	22.20	48,142	+0.01(+0.05%)
Nov 12, 2012	22.24	22.29	22.17	22.18	18,938	-0.02(-0.07%)
Nov 09, 2012	22.14	22.37	22.07	22.20	67,617	-0.02(-0.10%)
Nov 08, 2012	22.44	22.48	22.22	22.22	39,495	-0.32(-1.43%)
Nov 07, 2012	22.65	22.65	22.38	22.54	106,442	-0.26(-1.12%)
Nov 06, 2012	22.71	22.85	22.69	22.80	25,774	+0.16(+0.70%)
Nov 05, 2012	22.58	22.65	22.49	22.64	36,881	+0.02(+0.09%)
Nov 02, 2012	22.86	22.86	22.61	22.62	31,771	-0.15(-0.67%)
Nov 01, 2012	22.60	22.80	22.60	22.77	20,766	+0.19(+0.82%)
Oct 31, 2012	22.63	22.65	22.46	22.59	112,653	+0.15(+0.66%)
Oct 26, 2012	22.48	22.44	22.44	22.44	23,344	-0.04(-0.16%)
Oct 25, 2012	22.55	22.58	22.43	22.48	84,369	+0.09(+0.42%)
Oct 24, 2012	22.46	22.52	22.36	22.38	333,694	-0.06(-0.27%)
Oct 23, 2012	22.52	22.52	22.32	22.44	108,523	-0.33(-1.45%)
Oct 19, 2012	23.01	23.01	22.71	22.77	69,120	-0.28(-1.21%)
Oct 18, 2012	23.01	23.08	22.98	23.05	50,667	-0.03(-0.13%)
Oct 17, 2012	23.02	23.14	23.02	23.08	71,885	+0.09(+0.41%)
Oct 16, 2012	22.89	22.99	22.88	22.99	32,396	+0.15(+0.64%)
Oct 15, 2012	22.69	22.84	22.69	22.84	54,271	+0.19(+0.83%)
Oct 12, 2012	22.68	22.76	22.64	22.65	112,235	-0.00(-0.01%)
Oct 11, 2012	22.76	22.76	22.65	22.66	612,276	+0.02(+0.08%)
Oct 10, 2012	22.84	22.84	22.64	22.64	43,999	-0.21(-0.90%)
Oct 09, 2012	23.00	23.04	22.84	22.84	24,035	-0.22(-0.97%)
Oct 08, 2012	23.07	23.09	23.04	23.07	21,519	-0.05(-0.24%)
Oct 05, 2012	23.19	23.22	23.08	23.12	89,344	+0.07(+0.29%)
Oct 04, 2012	23.04	23.08	23.04	23.06	22,499	+0.15(+0.64%)
Oct 03, 2012	22.87	23.00	22.84	22.91	84,639	+0.07(+0.32%)
Oct 02, 2012	22.94	22.94	22.75	22.84	110,650	+0.05(+0.20%)
Oct 01, 2012	22.69	22.89	22.69	22.79	37,838	+0.14(+0.60%)
Sep 28, 2012	22.68	22.69	22.55	22.66	58,062	-0.09(-0.40%)
Sep 27, 2012	22.69	22.80	22.62	22.75	79,595	+0.13(+0.56%)
Sep 26, 2012	22.70	22.74	22.60	22.62	806,244	-0.08(-0.33%)
Sep 25, 2012	22.94	22.97	22.69	22.69	31,936	-0.32(-1.38%)
Sep 24, 2012	22.94	23.04	22.93	23.01	27,064	-0.01(-0.05%)
Sep 21, 2012	23.19	23.19	23.02	23.02	149,581	-0.06(-0.28%)
Sep 20, 2012	22.98	23.12	22.98	23.09	196,027	+0.05(+0.21%)
Sep 19, 2012	22.98	23.10	22.97	23.04	401,289	+0.08(+0.34%)
Sep 18, 2012	22.91	23.00	22.88	22.96	28,470	+0.06(+0.27%)
Sep 17, 2012	22.86	22.92	22.86	22.90	113,339	-0.02(-0.09%)
Sep 14, 2012	22.98	22.98	22.87	22.92	74,893	-0.00(-0.01%)
Sep 13, 2012	22.57	22.97	22.57	22.92	31,616	+0.34(+1.51%)
Sep 12, 2012	22.74	22.80	22.57	22.58	39,362	-0.13(-0.59%)
Sep 11, 2012	22.74	22.77	22.69	22.72	57,864	-0.03(-0.12%)
Sep 10, 2012	22.78	22.82	22.74	22.74	33,725	-0.05(-0.24%)
Sep 07, 2012	22.88	22.88	22.75	22.80	83,119	-0.05(-0.23%)
Sep 06, 2012	22.69	22.86	22.69	22.85	30,355	+0.36(+1.59%)
Sep 05, 2012	22.50	22.53	22.45	22.49	45,697	-0.02(-0.08%)
Sep 04, 2012	22.50	22.55	22.38	22.51	213,860	+0.05(+0.20%)
Aug 31, 2012	22.56	22.58	22.44	22.46	106,602	+0.05(+0.24%)
Aug 30, 2012	22.51	22.51	22.38	22.41	23,071	-0.12(-0.54%)
Aug 29, 2012	22.60	22.60	22.53	22.53	19,888	+0.03(+0.14%)
Aug 27, 2012	22.57	22.57	22.49	22.50	35,161	+0.01(+0.03%)
Aug 24, 2012	22.34	22.51	22.33	22.50	52,691	+0.17(+0.75%)
Aug 23, 2012	22.47	22.47	22.32	22.33	54,905	-0.18(-0.81%)
Aug 22, 2012	22.52	22.55	22.45	22.51	37,135	-0.07(-0.31%)
Aug 21, 2012	22.67	22.77	22.57	22.58	40,502	-0.08(-0.35%)
Aug 20, 2012	22.71	22.71	22.59	22.66	24,741	-0.10(-0.43%)
Aug 17, 2012	22.69	22.76	22.67	22.76	15,694	+0.08(+0.35%)
Aug 16, 2012	22.49	22.69	22.47	22.68	23,868	+0.20(+0.89%)
Aug 15, 2012	22.41	22.50	22.20	22.48	23,311	+0.03(+0.12%)
Aug 14, 2012	22.51	22.52	22.43	22.45	35,685	+0.05(+0.23%)
Aug 13, 2012	22.40	22.40	22.33	22.40	39,190	+0.02(+0.07%)
Aug 10, 2012	22.32	22.39	22.29	22.38	158,361	-0.02(-0.11%)
Aug 09, 2012	22.46	22.46	22.38	22.41	37,164	-0.05(-0.23%)
Aug 08, 2012	22.40	22.47	22.38	22.46	64,706	+0.07(+0.31%)
Aug 07, 2012	22.47	22.53	22.38	22.39	133,284	+0.03(+0.12%)
Aug 06, 2012	22.39	22.45	22.36	22.36	70,175	+0.05(+0.20%)
Aug 03, 2012	22.20	22.36	22.20	22.32	369,135	+0.42(+1.90%)
Aug 02, 2012	22.00	22.00	21.83	21.90	29,330	-0.17(-0.77%)
Aug 01, 2012	22.29	22.29	22.07	22.07	45,223	-0.17(-0.75%)
Jul 31, 2012	22.31	22.32	22.23	22.24	32,150	-0.13(-0.56%)
Jul 30, 2012	22.31	22.43	22.30	22.36	72,524	+0.04(+0.17%)
Jul 27, 2012	22.09	22.36	22.04	22.33	56,664	+0.33(+1.49%)
Jul 26, 2012	21.86	22.04	21.86	22.00	41,638	+0.38(+1.76%)
Jul 25, 2012	21.67	21.69	21.59	21.62	147,997	-0.02(-0.11%)
Jul 24, 2012	21.79	21.79	21.53	21.64	29,225	-0.15(-0.71%)
Jul 23, 2012	21.78	21.83	21.72	21.80	42,966	-0.21(-0.96%)
Jul 20, 2012	22.08	22.08	21.95	22.01	23,420	-0.17(-0.78%)
Jul 19, 2012	22.17	22.24	22.06	22.18	49,206	+0.07(+0.32%)
Jul 18, 2012	22.01	22.13	22.01	22.11	28,872	+0.08(+0.37%)
Jul 17, 2012	21.99	22.06	21.85	22.03	46,316	+0.12(+0.53%)
Jul 16, 2012	22.01	22.04	21.91	21.92	28,131	-0.13(-0.58%)
Jul 13, 2012	21.81	22.06	21.81	22.04	43,661	+0.29(+1.34%)
Jul 12, 2012	21.71	21.82	21.64	21.75	58,295	-0.03(-0.14%)
Jul 11, 2012	21.88	21.88	21.70	21.78	48,290	-0.05(-0.22%)
Jul 10, 2012	21.95	21.95	21.78	21.83	40,423	-0.04(-0.19%)
Jul 09, 2012	21.94	21.94	21.81	21.87	33,405	-0.07(-0.32%)
Jul 06, 2012	21.90	21.94	21.84	21.94	85,909	-0.07(-0.33%)
Jul 05, 2012	22.06	22.06	21.95	22.02	85,784	+0.00(+0.01%)
Jul 03, 2012	21.90	22.05	21.90	22.01	35,814	+0.12(+0.55%)
Jul 02, 2012	21.71	21.91	21.71	21.89	189,029	+0.10(+0.46%)
Jun 29, 2012	21.72	21.79	21.61	21.79	50,859	+0.37(+1.73%)
Jun 28, 2012	21.27	21.42	21.21	21.42	45,091	+0.02(+0.09%)
Jun 27, 2012	21.32	21.45	21.32	21.41	48,224	+0.12(+0.56%)
Jun 26, 2012	21.30	21.34	21.17	21.29	174,919	+0.06(+0.30%)
Jun 25, 2012	21.32	21.32	21.18	21.22	244,999	-0.22(-1.05%)
Jun 22, 2012	21.45	21.48	21.42	21.45	341,076	+0.06(+0.28%)
Jun 21, 2012	21.74	21.75	21.38	21.39	67,048	-0.36(-1.66%)
Jun 20, 2012	21.81	21.81	21.64	21.75	57,448	-0.11(-0.50%)
Jun 19, 2012	21.83	21.93	21.83	21.86	19,437	+0.01(+0.03%)
Jun 18, 2012	21.70	21.87	21.70	21.85	21,663	+0.05(+0.21%)
Jun 15, 2012	21.77	21.81	21.74	21.81	40,525	+0.08(+0.36%)
Jun 14, 2012	21.54	21.76	21.53	21.73	93,057	+0.23(+1.09%)
Jun 13, 2012	21.59	21.68	21.45	21.49	38,683	-0.14(-0.64%)
Jun 12, 2012	21.55	21.63	21.46	21.63	34,393	+0.15(+0.69%)
Jun 11, 2012	21.81	21.81	21.49	21.49	38,294	-0.18(-0.81%)
Jun 08, 2012	21.51	21.67	21.48	21.66	28,567	+0.15(+0.68%)
Jun 07, 2012	21.67	21.69	21.52	21.52	77,149	+0.07(+0.34%)
Jun 06, 2012	21.21	21.46	21.21	21.44	70,169	+0.31(+1.48%)
Jun 05, 2012	21.02	21.16	21.00	21.13	117,258	+0.04(+0.20%)
Jun 04, 2012	21.12	21.12	20.93	21.09	283,346	-0.05(-0.23%)
Jun 01, 2012	21.38	21.39	21.10	21.14	518,382	-0.49(-2.27%)
May 31, 2012	21.70	21.76	21.52	21.63	96,591	-0.07(-0.31%)
May 30, 2012	21.81	21.81	21.68	21.69	26,878	-0.22(-1.01%)
May 29, 2012	21.80	21.93	21.79	21.92	66,132	+0.18(+0.84%)
May 25, 2012	21.77	21.81	21.69	21.73	70,400	-0.00(-0.02%)
May 24, 2012	21.61	21.76	21.61	21.74	194,315	+0.16(+0.74%)
May 23, 2012	21.46	21.60	21.37	21.58	44,822	+0.00(+0.00%)
May 22, 2012	21.60	21.70	21.55	21.58	100,238	+0.02(+0.08%)
May 21, 2012	21.41	21.56	21.33	21.56	46,307	+0.19(+0.89%)
May 18, 2012	21.59	21.59	21.34	21.37	243,171	-0.14(-0.66%)
May 17, 2012	21.89	21.89	21.51	21.51	40,158	-0.36(-1.65%)
May 16, 2012	21.86	21.94	21.85	21.87	52,188	+0.07(+0.33%)
May 15, 2012	21.82	21.93	21.75	21.80	76,238	-0.05(-0.25%)
May 14, 2012	21.85	21.95	21.76	21.85	143,278	-0.14(-0.63%)
May 11, 2012	21.94	22.12	21.94	21.99	30,841	-0.02(-0.10%)
May 10, 2012	22.05	22.12	22.00	22.01	69,413	+0.10(+0.46%)
May 09, 2012	21.93	22.04	21.81	21.91	178,698	-0.15(-0.67%)
May 08, 2012	22.10	22.10	21.87	22.06	221,725	-0.12(-0.56%)
May 07, 2012	22.13	22.25	22.13	22.19	181,734	-0.02(-0.11%)
May 04, 2012	22.37	22.37	22.18	22.21	294,544	-0.23(-1.04%)
May 03, 2012	22.56	22.56	22.39	22.44	44,040	-0.12(-0.51%)
May 02, 2012	22.42	22.58	22.42	22.56	76,350	+0.08(+0.38%)
May 01, 2012	22.42	22.59	22.36	22.47	109,743	+0.06(+0.28%)
Apr 30, 2012	22.47	22.47	22.36	22.41	64,149	-0.11(-0.47%)
Apr 27, 2012	22.57	22.59	22.49	22.52	58,462	-0.04(-0.19%)
Apr 26, 2012	22.34	22.58	22.34	22.56	41,736	+0.18(+0.80%)
Apr 25, 2012	22.23	22.38	22.23	22.38	77,740	+0.27(+1.22%)
Apr 24, 2012	22.10	22.21	22.08	22.11	53,413	+0.01(+0.05%)
Apr 23, 2012	22.17	22.17	22.03	22.10	99,945	-0.25(-1.11%)
Apr 20, 2012	22.26	22.43	22.26	22.35	38,881	+0.15(+0.68%)
Apr 19, 2012	22.20	22.33	22.14	22.19	7,686	-0.15(-0.67%)
Apr 18, 2012	22.30	22.38	22.26	22.34	78,340	-0.05(-0.21%)
Apr 17, 2012	22.26	22.40	22.25	22.39	54,393	+0.26(+1.15%)
Apr 16, 2012	22.20	22.22	22.07	22.14	34,389	+0.04(+0.16%)
Apr 13, 2012	22.12	22.23	22.08	22.10	33,881	-0.03(-0.15%)
Apr 12, 2012	22.04	22.15	22.02	22.13	112,859	+0.10(+0.45%)
Apr 11, 2012	22.06	22.08	21.99	22.03	49,614	+0.16(+0.72%)
Apr 10, 2012	22.16	22.17	21.85	21.88	111,301	-0.33(-1.50%)
Apr 09, 2012	22.22	22.27	22.18	22.21	162,869	-0.24(-1.08%)
Apr 05, 2012	22.41	22.48	22.38	22.45	227,567	-0.03(-0.13%)
Apr 04, 2012	22.50	22.52	22.45	22.48	63,004	-0.09(-0.38%)
Apr 03, 2012	22.63	22.66	22.52	22.57	48,446	-0.08(-0.37%)
Apr 02, 2012	22.47	22.69	22.47	22.65	219,329	+0.19(+0.86%)
Mar 30, 2012	22.42	22.52	22.41	22.46	43,528	+0.09(+0.41%)
Mar 29, 2012	22.23	22.37	22.16	22.37	108,852	+0.06(+0.27%)
Mar 28, 2012	22.32	22.34	22.23	22.31	32,561	-0.08(-0.38%)
Mar 27, 2012	22.47	22.49	22.38	22.39	113,034	-0.03(-0.14%)
Mar 26, 2012	22.35	22.42	22.33	22.42	47,050	+0.14(+0.64%)
Mar 23, 2012	22.22	22.28	22.14	22.28	43,598	+0.00(+0.01%)
Mar 22, 2012	22.17	22.29	22.17	22.28	70,447	-0.02(-0.08%)
Mar 21, 2012	22.27	22.34	22.23	22.29	23,481	+0.04(+0.18%)
Mar 20, 2012	22.16	22.28	22.16	22.25	31,535	-0.01(-0.04%)
Mar 19, 2012	22.20	22.29	22.19	22.26	129,298	+0.06(+0.29%)
Mar 16, 2012	22.29	22.31	22.20	22.20	39,219	-0.09(-0.39%)
Mar 15, 2012	22.21	22.29	22.17	22.29	53,909	+0.09(+0.41%)
Mar 14, 2012	22.27	22.30	22.17	22.20	45,207	-0.07(-0.33%)
Mar 13, 2012	22.12	22.28	22.10	22.27	35,389	+0.25(+1.14%)
Mar 12, 2012	22.02	22.04	21.99	22.02	23,818	+0.04(+0.19%)
Mar 09, 2012	21.87	21.99	21.87	21.98	56,748	+0.08(+0.36%)
Mar 08, 2012	21.76	21.91	21.76	21.90	25,484	+0.22(+1.02%)
Mar 07, 2012	21.65	21.70	21.59	21.68	76,670	+0.06(+0.26%)
Mar 06, 2012	21.79	21.79	21.59	21.62	123,633	-0.30(-1.39%)
Mar 05, 2012	21.88	21.95	21.85	21.92	34,473	-0.00(-0.01%)
Mar 02, 2012	21.93	21.97	21.88	21.93	780,393	-0.01(-0.03%)
Mar 01, 2012	21.90	21.96	21.88	21.93	229,572	+0.08(+0.35%)
Feb 29, 2012	21.88	21.94	21.83	21.86	51,391	+0.01(+0.04%)
Feb 28, 2012	21.80	21.85	21.78	21.85	50,826	+0.04(+0.19%)
Feb 27, 2012	21.67	21.86	21.63	21.81	51,758	+0.04(+0.18%)
Feb 24, 2012	21.76	21.82	21.76	21.77	47,683	+0.02(+0.11%)
Feb 23, 2012	21.64	21.77	21.59	21.74	173,921	+0.11(+0.49%)
Feb 22, 2012	21.63	21.67	21.61	21.64	35,749	-0.04(-0.18%)
Feb 21, 2012	21.75	21.77	21.64	21.68	46,229	-0.05(-0.24%)
Feb 17, 2012	21.78	21.80	21.71	21.73	457,833	+0.01(+0.04%)
Feb 16, 2012	21.50	21.74	21.50	21.72	40,620	+0.21(+0.98%)
Feb 15, 2012	21.58	21.66	21.49	21.51	44,437	-0.05(-0.25%)
Feb 14, 2012	21.48	21.56	21.44	21.56	52,779	+0.05(+0.25%)
Feb 13, 2012	21.47	21.54	21.45	21.51	69,750	+0.15(+0.68%)
Feb 10, 2012	21.37	21.37	21.30	21.36	55,139	-0.14(-0.63%)
Feb 09, 2012	21.41	21.51	21.34	21.50	52,713	+0.09(+0.41%)
Feb 08, 2012	21.44	21.50	21.34	21.41	250,767	+0.00(+0.00%)
Feb 07, 2012	21.34	21.46	21.33	21.41	44,186	+0.05(+0.25%)
Feb 06, 2012	21.29	21.38	21.27	21.36	49,626	+0.02(+0.07%)
Feb 03, 2012	21.33	21.40	21.27	21.34	38,796	+0.19(+0.90%)
Feb 02, 2012	21.16	21.17	21.10	21.15	131,235	+0.08(+0.39%)
Feb 01, 2012	21.02	21.16	21.02	21.07	109,267	+0.15(+0.74%)
Jan 31, 2012	21.03	21.03	20.84	20.91	136,899	+0.02(+0.07%)
Jan 30, 2012	20.80	20.96	20.80	20.90	1,177,658	-0.11(-0.51%)
Jan 27, 2012	21.01	21.10	20.94	21.01	101,441	-0.13(-0.62%)
Jan 26, 2012	21.31	21.34	21.10	21.14	73,035	-0.13(-0.63%)
Jan 25, 2012	20.94	21.27	20.94	21.27	155,615	+0.29(+1.37%)
Jan 24, 2012	20.91	20.99	20.87	20.98	124,013	-0.01(-0.04%)
Jan 23, 2012	21.01	21.06	20.91	20.99	77,133	-0.07(-0.33%)
Jan 20, 2012	21.06	21.07	20.95	21.06	57,406	+0.01(+0.03%)
Jan 19, 2012	21.05	21.10	20.96	21.06	107,875	+0.03(+0.15%)
Jan 18, 2012	20.89	21.04	20.87	21.03	67,602	+0.11(+0.51%)
Jan 17, 2012	20.99	21.06	20.90	20.92	81,598	+0.07(+0.35%)
Jan 13, 2012	20.86	20.87	20.74	20.85	215,834	-0.09(-0.43%)
Jan 12, 2012	20.95	20.96	20.81	20.94	323,293	+0.07(+0.32%)
Jan 11, 2012	20.90	20.91	20.82	20.87	176,188	-0.10(-0.46%)
Jan 10, 2012	20.99	21.00	20.92	20.97	61,183	+0.14(+0.68%)
Jan 09, 2012	20.84	20.85	20.78	20.83	38,142	+0.05(+0.25%)
Jan 06, 2012	20.90	20.90	20.74	20.78	189,375	-0.11(-0.52%)
Jan 05, 2012	20.70	20.90	20.70	20.88	86,681	+0.08(+0.38%)
Jan 04, 2012	20.74	20.81	20.71	20.81	63,778	+0.08(+0.41%)
Dec 30, 2011	20.79	20.79	20.71	20.72	38,346	-0.07(-0.35%)
Dec 29, 2011	20.69	20.82	20.69	20.79	217,823	+0.20(+0.97%)
Dec 28, 2011	20.80	20.80	20.59	20.59	61,157	-0.21(-1.00%)
Dec 27, 2011	20.84	20.85	20.78	20.80	68,289	+0.00(+0.02%)
Dec 23, 2011	20.66	20.80	20.63	20.80	52,158	+0.07(+0.34%)
Dec 21, 2011	20.55	20.74	20.55	20.73	33,179	+0.27(+1.33%)
Dec 20, 2011	20.30	20.48	20.30	20.45	78,824	+0.39(+1.96%)
Dec 19, 2011	20.21	20.32	20.03	20.06	496,408	-0.11(-0.52%)
Dec 16, 2011	20.26	20.38	20.15	20.17	59,697	-0.01(-0.06%)
Dec 15, 2011	20.18	20.24	20.12	20.18	35,643	+0.19(+0.94%)
Dec 14, 2011	20.14	20.17	19.98	19.99	46,131	-0.19(-0.96%)
Dec 13, 2011	20.44	20.54	20.18	20.19	34,560	-0.21(-1.02%)
Dec 12, 2011	20.45	20.46	20.24	20.39	29,393	-0.22(-1.07%)
Dec 09, 2011	20.37	20.64	20.37	20.61	38,098	+0.31(+1.55%)
Dec 08, 2011	20.50	20.55	20.29	20.30	106,839	-0.30(-1.48%)
Dec 07, 2011	20.60	20.66	20.40	20.61	291,025	+0.00(+0.01%)
Dec 06, 2011	20.55	20.70	20.52	20.60	67,425	+0.02(+0.10%)
Dec 05, 2011	20.70	20.70	20.49	20.58	111,162	+0.15(+0.72%)
Dec 02, 2011	20.59	20.61	20.42	20.44	112,474	+0.02(+0.08%)

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