Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2011	20.42	20.65	20.38	20.65	75,979	+0.35(+1.72%)
Aug 30, 2011	20.22	20.33	20.15	20.30	52,847	+0.07(+0.35%)
Aug 29, 2011	20.08	20.25	20.05	20.23	67,871	+0.23(+1.15%)
Aug 26, 2011	19.97	20.06	19.75	20.00	43,970	-0.04(-0.20%)
Aug 25, 2011	20.29	20.35	19.99	20.04	99,214	-0.14(-0.69%)
Aug 24, 2011	20.13	20.37	20.10	20.18	61,040	+0.03(+0.15%)
Aug 23, 2011	19.74	20.15	19.65	20.15	84,601	+0.55(+2.81%)
Aug 22, 2011	19.96	19.96	19.59	19.60	78,229	-0.06(-0.31%)
Aug 19, 2011	19.80	19.99	19.66	19.66	110,604	-0.38(-1.90%)
Aug 18, 2011	20.18	20.26	19.98	20.04	125,184	-0.45(-2.20%)
Aug 17, 2011	20.47	20.66	20.47	20.49	84,112	+0.09(+0.44%)
Aug 16, 2011	20.55	20.55	20.39	20.40	128,080	-0.23(-1.11%)
Aug 15, 2011	20.59	20.69	20.54	20.63	86,452	+0.24(+1.18%)
Aug 12, 2011	20.50	20.50	20.33	20.39	92,533	+0.08(+0.39%)
Aug 11, 2011	19.76	20.31	19.70	20.31	86,672	+0.63(+3.20%)
Aug 10, 2011	19.77	19.87	19.55	19.68	82,312	+0.02(+0.10%)
Aug 09, 2011	19.14	19.74	19.14	19.66	269,722	+0.59(+3.09%)
Aug 08, 2011	19.17	19.50	19.05	19.07	291,305	-0.81(-4.07%)
Aug 05, 2011	19.94	20.17	18.71	19.88	307,685	-0.12(-0.60%)
Aug 04, 2011	20.39	20.39	19.95	20.00	136,081	-0.45(-2.20%)
Aug 03, 2011	20.34	20.45	20.10	20.45	139,925	+0.01(+0.05%)
Aug 02, 2011	20.86	20.86	20.42	20.44	145,834	-0.32(-1.54%)
Jul 29, 2011	20.78	20.81	20.66	20.76	67,971	-0.14(-0.67%)
Jul 28, 2011	20.78	20.96	20.75	20.90	87,705	+0.05(+0.24%)
Jul 27, 2011	21.05	21.07	20.83	20.85	123,200	-0.25(-1.18%)
Jul 26, 2011	21.26	21.27	21.06	21.10	45,585	-0.22(-1.03%)
Jul 25, 2011	21.32	21.34	21.25	21.32	39,013	-0.08(-0.37%)
Jul 22, 2011	21.40	21.40	21.37	21.40	57,663	-0.10(-0.47%)
Jul 21, 2011	21.33	21.53	21.32	21.50	77,289	+0.20(+0.94%)
Jul 20, 2011	21.31	21.36	21.28	21.30	61,514	+0.00(+0.00%)
Jul 19, 2011	21.20	21.31	21.20	21.30	53,789	+0.13(+0.61%)
Jul 18, 2011	21.32	21.32	21.14	21.17	53,715	-0.22(-1.03%)
Jul 15, 2011	21.48	21.48	21.38	21.39	35,537	+0.01(+0.05%)
Jul 14, 2011	21.50	21.53	21.38	21.38	51,044	-0.06(-0.28%)
Jul 13, 2011	21.37	21.54	21.37	21.44	47,478	+0.07(+0.33%)
Jul 12, 2011	21.22	21.37	21.21	21.37	72,333	+0.01(+0.05%)
Jul 11, 2011	21.51	21.51	21.28	21.36	80,162	-0.23(-1.07%)
Jul 08, 2011	21.58	21.61	21.54	21.59	54,616	-0.03(-0.14%)
Jul 07, 2011	21.70	21.71	21.61	21.62	37,034	-0.02(-0.09%)
Jul 06, 2011	21.67	21.67	21.60	21.64	38,554	+0.00(+0.00%)
Jul 05, 2011	21.76	21.78	21.64	21.64	63,983	-0.07(-0.32%)
Jul 04, 2011	21.66	21.73	21.63	21.71	29,718	+0.11(+0.51%)
Jun 30, 2011	21.45	21.60	21.42	21.60	32,473	+0.21(+0.98%)
Jun 29, 2011	21.41	21.44	21.35	21.39	44,160	-0.01(-0.05%)
Jun 28, 2011	21.36	21.42	21.34	21.40	28,960	+0.09(+0.42%)
Jun 27, 2011	21.27	21.32	21.23	21.31	55,313	+0.03(+0.14%)
Jun 24, 2011	21.42	21.42	21.28	21.28	50,544	-0.15(-0.70%)
Jun 23, 2011	21.46	21.46	21.36	21.43	148,172	-0.13(-0.60%)
Jun 22, 2011	21.53	21.62	21.53	21.56	50,739	-0.01(-0.05%)
Jun 21, 2011	21.42	21.57	21.40	21.57	70,798	+0.20(+0.94%)
Jun 20, 2011	21.29	21.38	21.36	21.37	45,304	+0.09(+0.42%)
Jun 17, 2011	21.32	21.43	21.27	21.28	76,390	-0.03(-0.14%)
Jun 16, 2011	21.31	21.42	21.28	21.31	43,041	-0.06(-0.28%)
Jun 15, 2011	21.44	21.44	21.28	21.37	62,089	-0.15(-0.70%)
Jun 14, 2011	21.46	21.55	21.46	21.52	38,074	+0.09(+0.42%)
Jun 13, 2011	21.50	21.52	21.40	21.43	39,717	-0.06(-0.28%)
Jun 10, 2011	21.50	21.51	21.34	21.49	59,959	-0.07(-0.32%)
Jun 09, 2011	21.54	21.58	21.47	21.56	48,745	+0.04(+0.19%)
Jun 08, 2011	21.47	21.56	21.47	21.52	42,823	-0.03(-0.14%)
Jun 07, 2011	21.67	21.78	21.51	21.55	71,303	-0.11(-0.51%)
Jun 06, 2011	21.82	21.85	21.61	21.66	40,240	-0.21(-0.96%)
Jun 03, 2011	21.74	21.88	21.70	21.87	80,588	-0.37(-1.66%)
May 24, 2011	22.25	22.25	22.15	22.24	49,077	-0.04(-0.18%)
May 20, 2011	22.26	22.32	22.24	22.28	42,911	+0.01(+0.04%)
May 19, 2011	22.17	22.27	22.17	22.27	40,783	+0.14(+0.63%)
May 18, 2011	22.00	22.18	21.97	22.13	52,375	+0.15(+0.68%)
May 17, 2011	21.87	22.00	21.83	21.98	57,532	+0.09(+0.41%)
May 16, 2011	21.78	21.91	21.77	21.89	64,430	+0.11(+0.51%)
May 13, 2011	21.82	21.82	21.72	21.78	43,064	+0.03(+0.14%)
May 12, 2011	21.70	21.77	21.61	21.75	49,331	+0.00(+0.00%)
May 11, 2011	21.84	21.84	21.72	21.75	64,066	-0.09(-0.41%)
May 10, 2011	21.77	21.87	21.72	21.84	50,333	+0.11(+0.51%)
May 09, 2011	21.65	21.75	21.58	21.73	52,148	+0.14(+0.65%)
May 06, 2011	21.63	21.63	21.50	21.59	92,459	+0.02(+0.09%)
May 05, 2011	21.59	21.59	21.46	21.57	67,095	-0.03(-0.14%)
May 04, 2011	21.71	21.71	21.53	21.60	47,390	-0.09(-0.41%)
May 03, 2011	21.84	21.84	21.63	21.69	49,285	-0.06(-0.28%)
May 02, 2011	21.55	21.76	21.75	21.75	84,951	+0.11(+0.51%)
Apr 29, 2011	21.55	21.64	21.54	21.64	36,822	+0.09(+0.42%)
Apr 28, 2011	21.53	21.57	21.49	21.55	56,788	+0.03(+0.14%)
Apr 27, 2011	21.49	21.52	21.41	21.52	54,593	+0.06(+0.28%)
Apr 26, 2011	21.44	21.47	21.41	21.46	57,778	+0.07(+0.33%)
Apr 25, 2011	21.40	21.43	21.35	21.39	94,043	-0.10(-0.47%)
Apr 21, 2011	21.51	21.51	21.43	21.49	60,532	+0.06(+0.28%)
Apr 20, 2011	21.43	21.47	21.39	21.43	514,251	+0.10(+0.47%)
Apr 19, 2011	21.26	21.33	21.26	21.33	44,578	+0.02(+0.09%)
Apr 18, 2011	21.33	21.33	21.16	21.31	61,368	-0.08(-0.37%)
Apr 15, 2011	21.48	21.55	21.39	21.39	60,075	-0.09(-0.42%)
Apr 14, 2011	21.50	21.51	21.44	21.48	32,130	+0.00(+0.00%)
Apr 13, 2011	21.43	21.53	21.32	21.48	65,923	+0.13(+0.61%)
Apr 12, 2011	21.45	21.45	21.25	21.35	80,491	-0.17(-0.79%)
Apr 11, 2011	21.66	21.66	21.46	21.52	81,758	-0.08(-0.37%)
Apr 08, 2011	21.67	21.68	21.54	21.60	36,128	-0.03(-0.14%)
Apr 07, 2011	21.80	21.80	21.63	21.63	40,778	-0.15(-0.69%)
Apr 06, 2011	21.90	21.90	21.71	21.78	39,432	-0.05(-0.23%)
Apr 05, 2011	21.89	21.89	21.76	21.83	108,165	-0.02(-0.09%)
Apr 04, 2011	21.88	21.88	21.78	21.85	44,116	+0.05(+0.23%)
Apr 01, 2011	21.75	21.83	21.73	21.80	52,875	+0.12(+0.55%)
Mar 31, 2011	21.75	21.75	21.66	21.68	42,190	-0.01(-0.05%)
Mar 30, 2011	21.65	21.72	21.64	21.69	34,502	+0.11(+0.51%)
Mar 29, 2011	21.58	21.62	21.52	21.58	34,631	+0.06(+0.28%)
Mar 28, 2011	21.65	21.66	21.51	21.52	38,703	-0.10(-0.46%)
Mar 25, 2011	21.69	21.74	21.62	21.62	60,677	-0.11(-0.51%)
Mar 24, 2011	21.85	21.85	21.73	21.73	55,377	-0.12(-0.55%)
Mar 23, 2011	21.84	21.85	21.76	21.85	40,387	+0.03(+0.14%)
Mar 22, 2011	21.76	21.82	21.76	21.82	115,356	+0.09(+0.41%)
Mar 21, 2011	21.60	21.74	21.67	21.73	55,032	+0.27(+1.26%)
Mar 18, 2011	21.51	21.59	21.45	21.46	62,239	+0.06(+0.28%)
Mar 17, 2011	21.34	21.41	21.28	21.40	68,493	+0.20(+0.94%)
Mar 16, 2011	21.15	21.25	21.10	21.20	105,788	+0.01(+0.05%)
Mar 15, 2011	20.93	21.20	20.88	21.19	138,378	-0.13(-0.61%)
Mar 14, 2011	21.33	21.33	21.20	21.32	40,910	-0.06(-0.28%)
Mar 11, 2011	21.22	21.42	21.21	21.38	140,767	+0.01(+0.05%)
Mar 10, 2011	21.51	21.51	21.28	21.37	194,802	-0.20(-0.93%)
Mar 09, 2011	21.75	21.75	21.50	21.57	212,914	-0.14(-0.64%)
Mar 08, 2011	21.70	21.79	21.68	21.71	53,585	+0.05(+0.23%)
Mar 07, 2011	21.88	21.89	21.65	21.66	81,657	-0.16(-0.73%)
Mar 04, 2011	21.81	21.85	21.77	21.82	103,957	+0.01(+0.05%)
Mar 03, 2011	21.74	21.83	21.74	21.81	51,433	+0.16(+0.74%)
Mar 02, 2011	21.64	21.66	21.57	21.65	91,907	+0.02(+0.09%)
Mar 01, 2011	21.81	21.84	21.59	21.63	200,290	-0.19(-0.87%)
Feb 28, 2011	21.71	21.88	21.71	21.82	77,333	+0.15(+0.69%)
Feb 25, 2011	21.60	21.73	21.60	21.67	89,440	+0.17(+0.79%)
Feb 24, 2011	21.46	21.62	21.43	21.50	91,670	+0.10(+0.47%)
Feb 23, 2011	21.55	21.59	21.38	21.40	63,238	-0.19(-0.88%)
Feb 22, 2011	21.76	21.76	21.57	21.59	108,392	-0.21(-0.96%)
Feb 18, 2011	21.78	21.82	21.77	21.80	71,328	+0.03(+0.14%)
Feb 17, 2011	21.76	21.77	21.69	21.77	85,323	+0.04(+0.18%)
Feb 16, 2011	21.66	21.77	21.62	21.73	56,892	+0.13(+0.60%)
Feb 15, 2011	21.59	21.64	21.54	21.60	76,208	+0.03(+0.14%)
Feb 14, 2011	21.55	21.61	21.55	21.57	99,931	+0.09(+0.42%)
Feb 11, 2011	21.47	21.52	21.44	21.48	89,280	+0.02(+0.09%)
Feb 10, 2011	21.40	21.48	21.35	21.46	65,150	+0.01(+0.05%)
Feb 09, 2011	21.58	21.60	21.45	21.45	73,368	-0.01(-0.05%)
Feb 08, 2011	21.41	21.50	21.37	21.46	69,365	+0.06(+0.28%)
Feb 07, 2011	21.37	21.42	21.36	21.40	122,301	+0.11(+0.52%)
Feb 04, 2011	21.25	21.29	21.22	21.29	108,370	+0.10(+0.47%)
Feb 03, 2011	21.15	21.20	21.12	21.19	230,659	+0.08(+0.38%)
Feb 02, 2011	21.07	21.13	21.05	21.11	67,560	+0.07(+0.33%)
Feb 01, 2011	20.94	21.04	20.91	21.04	59,208	+0.16(+0.77%)
Jan 31, 2011	20.83	20.92	20.82	20.88	130,208	+0.06(+0.29%)
Jan 28, 2011	20.91	20.93	20.75	20.82	215,883	-0.09(-0.43%)
Jan 27, 2011	20.90	20.93	20.88	20.91	115,970	+0.05(+0.24%)
Jan 26, 2011	20.87	20.88	20.79	20.86	62,924	-0.05(-0.24%)
Jan 25, 2011	20.95	20.99	20.84	20.91	74,490	-0.03(-0.14%)
Jan 24, 2011	20.87	20.94	20.83	20.94	91,504	+0.10(+0.48%)
Jan 21, 2011	20.94	20.95	20.78	20.84	76,455	-0.05(-0.24%)
Jan 20, 2011	20.93	20.93	20.80	20.89	85,449	-0.08(-0.38%)
Jan 19, 2011	21.06	21.06	20.92	20.97	71,519	-0.06(-0.29%)
Jan 18, 2011	21.00	21.05	20.94	21.03	89,229	+0.05(+0.24%)
Jan 17, 2011	20.92	20.99	20.90	20.98	95,965	+0.01(+0.05%)
Jan 14, 2011	20.75	20.97	20.73	20.97	85,425	+0.25(+1.21%)
Jan 13, 2011	20.75	20.75	20.66	20.72	53,491	+0.03(+0.14%)
Jan 12, 2011	20.75	20.76	20.68	20.69	73,704	+0.00(+0.00%)
Jan 11, 2011	20.59	20.72	20.59	20.69	73,166	+0.16(+0.78%)
Jan 10, 2011	20.74	20.74	20.48	20.53	86,274	-0.12(-0.58%)
Jan 07, 2011	20.60	20.66	20.59	20.65	89,623	+0.06(+0.29%)
Jan 06, 2011	20.59	20.62	20.55	20.59	50,534	-0.01(-0.05%)
Jan 05, 2011	20.58	20.60	20.53	20.60	79,608	+0.00(+0.00%)
Jan 04, 2011	20.80	20.80	20.58	20.60	127,075	-0.03(-0.15%)
Dec 31, 2010	20.70	20.70	20.63	20.63	21,757	-0.08(-0.39%)
Dec 30, 2010	20.72	20.75	20.66	20.71	43,921	+0.01(+0.05%)
Dec 29, 2010	20.59	20.70	20.59	20.70	48,348	+0.07(+0.34%)
Dec 24, 2010	20.60	20.65	20.60	20.63	16,300	-0.08(-0.39%)
Dec 23, 2010	20.70	20.71	20.62	20.71	74,678	+0.00(+0.00%)
Dec 22, 2010	20.69	20.72	20.65	20.71	72,465	+0.02(+0.10%)
Dec 21, 2010	20.56	20.69	20.56	20.69	74,249	+0.15(+0.73%)
Dec 20, 2010	20.64	20.66	20.52	20.54	87,508	-0.14(-0.68%)
Dec 17, 2010	20.81	20.81	20.63	20.68	118,203	-0.18(-0.86%)
Dec 16, 2010	20.84	20.91	20.80	20.86	36,387	+0.01(+0.05%)
Dec 15, 2010	20.75	20.85	20.74	20.85	54,583	+0.06(+0.29%)
Dec 14, 2010	20.75	20.83	20.74	20.79	73,756	+0.07(+0.34%)
Dec 13, 2010	20.66	20.75	20.63	20.72	139,650	+0.11(+0.53%)
Dec 10, 2010	20.52	20.64	20.52	20.61	62,885	+0.07(+0.34%)
Dec 09, 2010	20.58	20.59	20.49	20.54	71,804	+0.00(+0.00%)
Dec 08, 2010	20.50	20.57	20.49	20.54	26,854	+0.04(+0.20%)
Dec 07, 2010	20.57	20.57	20.46	20.50	52,758	+0.05(+0.24%)
Dec 06, 2010	20.55	20.55	20.36	20.45	73,107	-0.05(-0.24%)
Dec 03, 2010	20.52	20.57	20.43	20.50	60,058	-0.11(-0.53%)
Dec 02, 2010	20.59	20.67	20.59	20.61	81,477	-0.02(-0.10%)
Dec 01, 2010	20.55	20.65	20.54	20.63	70,465	+0.25(+1.23%)
Nov 30, 2010	20.43	20.52	20.38	20.38	58,799	-0.10(-0.49%)
Nov 29, 2010	20.50	20.50	20.34	20.48	88,151	+0.02(+0.10%)
Nov 26, 2010	20.38	20.47	20.36	20.46	54,962	-0.02(-0.10%)
Nov 25, 2010	20.41	20.48	20.36	20.48	50,854	+0.14(+0.69%)
Nov 24, 2010	20.31	20.38	20.25	20.34	168,229	+0.11(+0.54%)
Nov 23, 2010	20.30	20.30	20.23	20.23	83,814	-0.14(-0.69%)
Nov 22, 2010	20.42	20.42	20.27	20.37	80,236	-0.05(-0.24%)
Nov 19, 2010	20.23	20.43	20.23	20.42	55,032	+0.14(+0.69%)
Nov 18, 2010	20.19	20.32	20.15	20.28	90,329	+0.23(+1.15%)
Nov 17, 2010	19.94	20.08	19.90	20.05	76,563	+0.10(+0.50%)
Nov 16, 2010	20.05	20.05	19.85	19.95	115,892	-0.13(-0.65%)
Nov 15, 2010	19.95	20.14	19.90	20.08	111,003	+0.20(+1.01%)
Nov 12, 2010	20.12	20.12	19.82	19.88	140,473	-0.26(-1.29%)
Nov 11, 2010	20.25	20.25	20.11	20.14	46,324	-0.12(-0.59%)
Nov 10, 2010	20.37	20.37	20.20	20.26	130,785	-0.10(-0.49%)
Nov 09, 2010	20.57	20.57	20.31	20.36	79,545	-0.15(-0.73%)
Nov 08, 2010	20.51	20.51	20.45	20.51	91,134	+0.06(+0.29%)
Nov 05, 2010	20.41	20.50	20.41	20.45	65,687	+0.07(+0.34%)
Nov 04, 2010	20.41	20.47	20.36	20.38	140,548	+0.12(+0.59%)
Nov 03, 2010	20.24	20.26	20.14	20.26	85,370	+0.04(+0.20%)
Nov 02, 2010	20.33	20.33	20.19	20.22	147,840	+0.00(+0.00%)
Nov 01, 2010	20.28	20.35	20.19	20.22	121,638	-0.05(-0.25%)
Oct 29, 2010	20.12	20.27	20.12	20.27	63,481	+0.11(+0.55%)
Oct 28, 2010	20.26	20.28	20.11	20.16	48,875	-0.05(-0.25%)
Oct 27, 2010	20.30	20.30	20.16	20.21	76,399	-0.27(-1.32%)
Oct 25, 2010	20.46	20.54	20.41	20.48	76,019	+0.06(+0.29%)
Oct 22, 2010	20.55	20.55	20.39	20.42	83,657	-0.10(-0.49%)
Oct 21, 2010	20.55	20.56	20.48	20.52	84,209	+0.01(+0.05%)
Oct 20, 2010	20.42	20.53	20.42	20.51	72,833	+0.07(+0.34%)
Oct 19, 2010	20.36	20.51	20.33	20.44	61,092	+0.03(+0.15%)
Oct 18, 2010	20.24	20.41	20.24	20.41	72,607	+0.18(+0.89%)
Oct 15, 2010	20.24	20.26	20.12	20.23	51,495	+0.04(+0.20%)
Oct 14, 2010	20.28	20.33	20.16	20.19	53,571	-0.05(-0.25%)
Oct 13, 2010	20.21	20.32	20.21	20.24	89,666	+0.08(+0.40%)
Oct 12, 2010	20.14	20.19	20.08	20.16	70,293	+0.08(+0.40%)
Oct 08, 2010	20.11	20.13	20.06	20.08	63,447	-0.05(-0.25%)
Oct 07, 2010	20.16	20.16	20.03	20.13	40,787	+0.01(+0.05%)
Oct 06, 2010	20.16	20.16	20.07	20.12	50,200	-0.01(-0.05%)
Oct 05, 2010	19.95	20.15	19.95	20.13	104,983	+0.23(+1.16%)
Oct 04, 2010	19.89	19.98	19.87	19.90	86,991	-0.05(-0.25%)
Oct 01, 2010	19.99	20.03	19.92	19.95	56,936	-0.02(-0.10%)
Sep 30, 2010	20.00	20.01	19.85	19.97	70,922	+0.03(+0.15%)
Sep 29, 2010	19.88	19.94	19.83	19.94	43,789	+0.07(+0.35%)
Sep 28, 2010	19.76	19.88	19.68	19.87	75,145	+0.15(+0.76%)
Sep 27, 2010	19.70	19.80	19.70	19.72	74,560	-0.03(-0.15%)
Sep 24, 2010	19.62	19.75	19.62	19.75	55,270	+0.21(+1.07%)
Sep 23, 2010	19.51	19.62	19.46	19.54	110,154	-0.04(-0.20%)
Sep 22, 2010	19.67	19.74	19.54	19.58	117,832	-0.11(-0.56%)
Sep 21, 2010	19.85	19.85	19.68	19.69	77,535	-0.12(-0.61%)
Sep 20, 2010	19.72	19.83	19.72	19.81	84,846	+0.11(+0.56%)
Sep 17, 2010	19.85	19.86	19.68	19.70	45,675	-0.11(-0.56%)
Sep 15, 2010	19.81	19.85	19.63	19.81	1,226,429	-0.01(-0.05%)
Sep 14, 2010	19.80	19.97	19.80	19.82	1,456,580	-0.05(-0.25%)
Sep 13, 2010	19.79	19.87	19.74	19.87	1,500,804	+0.19(+0.97%)
Sep 10, 2010	19.58	19.69	19.57	19.68	1,064,872	+0.10(+0.51%)
Sep 09, 2010	19.61	19.62	19.54	19.58	79,609	+0.08(+0.41%)
Sep 08, 2010	19.50	19.64	19.50	19.50	45,613	-0.02(-0.10%)
Sep 07, 2010	19.55	19.55	19.38	19.52	51,161	-0.02(-0.10%)
Sep 03, 2010	19.43	19.61	19.43	19.54	57,823	+0.15(+0.77%)
Sep 02, 2010	19.30	19.39	19.29	19.39	52,680	+0.10(+0.52%)

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