Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	20.75	20.78	20.70	20.78	69,239	+0.05(+0.24%)
Apr 27, 2012	20.76	20.76	20.71	20.73	51,091	-0.01(-0.05%)
Apr 26, 2012	20.71	20.76	20.71	20.74	66,548	+0.01(+0.05%)
Apr 25, 2012	20.65	20.73	20.64	20.73	36,962	+0.17(+0.83%)
Apr 24, 2012	20.54	20.56	20.52	20.56	35,052	+0.03(+0.15%)
Apr 23, 2012	20.51	20.53	20.47	20.53	31,499	-0.12(-0.58%)
Apr 20, 2012	20.72	20.72	20.65	20.65	34,301	-0.01(-0.05%)
Apr 19, 2012	20.67	20.71	20.64	20.66	33,081	-0.03(-0.14%)
Apr 18, 2012	20.67	20.72	20.66	20.69	51,137	+0.00(+0.00%)
Apr 17, 2012	20.65	20.72	20.65	20.69	45,318	+0.10(+0.49%)
Apr 16, 2012	20.64	20.64	20.55	20.59	39,497	-0.01(-0.05%)
Apr 13, 2012	20.63	20.64	20.56	20.60	51,954	-0.05(-0.24%)
Apr 12, 2012	20.50	20.65	20.49	20.65	86,105	+0.20(+0.98%)
Apr 11, 2012	20.44	20.46	20.40	20.45	70,964	+0.11(+0.54%)
Apr 10, 2012	20.42	20.47	20.32	20.34	55,489	-0.10(-0.49%)
Apr 09, 2012	20.50	20.50	20.42	20.44	45,212	-0.09(-0.44%)
Apr 05, 2012	20.56	20.57	20.52	20.53	31,602	-0.06(-0.29%)
Apr 04, 2012	20.64	20.64	20.57	20.59	93,378	-0.09(-0.44%)
Apr 03, 2012	20.69	20.72	20.67	20.68	31,588	+0.01(+0.05%)
Apr 02, 2012	20.70	20.71	20.66	20.67	74,818	-0.01(-0.05%)
Mar 30, 2012	20.72	20.72	20.64	20.68	58,932	-0.03(-0.14%)
Mar 29, 2012	20.69	20.71	20.64	20.71	36,155	+0.01(+0.05%)
Mar 28, 2012	20.78	20.78	20.68	20.70	41,890	-0.07(-0.34%)
Mar 27, 2012	20.73	20.79	20.73	20.77	38,144	+0.03(+0.14%)
Mar 26, 2012	20.67	20.74	20.64	20.74	40,741	+0.14(+0.68%)
Mar 23, 2012	20.65	20.66	20.59	20.60	47,078	-0.18(-0.87%)
Mar 22, 2012	20.73	20.79	20.73	20.78	87,037	+0.05(+0.24%)
Mar 21, 2012	20.83	20.83	20.73	20.73	70,361	-0.07(-0.34%)
Mar 20, 2012	20.79	20.82	20.77	20.80	112,745	-0.02(-0.10%)
Mar 19, 2012	20.77	20.82	20.70	20.82	126,680	+0.08(+0.39%)
Mar 16, 2012	20.85	20.85	20.71	20.74	175,948	-0.08(-0.38%)
Mar 15, 2012	20.89	20.89	20.79	20.82	55,072	-0.05(-0.24%)
Mar 14, 2012	20.92	20.92	20.79	20.87	118,735	-0.03(-0.14%)
Mar 13, 2012	20.83	20.91	20.80	20.90	55,948	+0.13(+0.63%)
Mar 12, 2012	20.79	20.79	20.73	20.77	98,815	-0.02(-0.10%)
Mar 09, 2012	20.79	20.82	20.76	20.79	56,090	+0.04(+0.19%)
Mar 08, 2012	20.64	20.75	20.63	20.75	59,788	+0.15(+0.73%)
Mar 07, 2012	20.60	20.62	20.55	20.60	47,814	+0.06(+0.29%)
Mar 06, 2012	20.78	20.78	20.54	20.54	171,010	-0.28(-1.34%)
Mar 05, 2012	20.96	20.96	20.81	20.82	79,546	-0.10(-0.48%)
Mar 02, 2012	21.02	21.02	20.92	20.92	68,555	-0.09(-0.43%)
Mar 01, 2012	21.00	21.03	20.98	21.01	96,600	+0.03(+0.14%)
Feb 29, 2012	20.98	21.00	20.91	20.98	152,220	+0.02(+0.10%)
Feb 28, 2012	20.97	20.98	20.92	20.96	75,082	+0.04(+0.19%)
Feb 27, 2012	20.90	20.94	20.87	20.92	68,536	+0.01(+0.05%)
Feb 24, 2012	20.85	20.92	20.85	20.91	83,021	+0.06(+0.29%)
Feb 23, 2012	20.82	20.90	20.78	20.85	39,607	+0.07(+0.34%)
Feb 22, 2012	20.76	20.78	20.72	20.78	69,288	-0.05(-0.24%)
Feb 21, 2012	20.81	20.87	20.78	20.83	71,001	+0.09(+0.43%)
Feb 17, 2012		20.74	20.74	20.74	0	-0.01(-0.05%)
Feb 16, 2012	20.72	20.75	20.62	20.75	93,995	+0.07(+0.34%)
Feb 15, 2012	20.77	20.79	20.68	20.68	107,581	-0.05(-0.24%)
Feb 14, 2012	20.74	20.76	20.71	20.73	52,384	+0.00(+0.00%)
Feb 13, 2012	20.76	20.78	20.69	20.73	41,711	+0.05(+0.24%)
Feb 10, 2012	20.77	20.77	20.68	20.68	185,424	-0.15(-0.72%)
Feb 09, 2012	20.87	20.87	20.77	20.83	100,545	-0.01(-0.05%)
Feb 08, 2012	20.86	20.86	20.80	20.84	47,869	+0.02(+0.10%)
Feb 07, 2012	20.79	20.84	20.77	20.82	62,237	+0.06(+0.29%)
Feb 06, 2012	20.78	20.80	20.73	20.76	114,595	+0.00(+0.00%)
Feb 03, 2012	20.85	20.88	20.75	20.76	66,653	+0.03(+0.14%)
Feb 02, 2012	20.75	20.75	20.71	20.73	251,949	+0.02(+0.10%)
Feb 01, 2012	20.70	20.78	20.70	20.71	63,476	+0.03(+0.15%)
Jan 31, 2012	20.71	20.71	20.63	20.68	79,806	+0.03(+0.15%)
Jan 30, 2012	20.62	20.67	20.59	20.65	39,142	-0.04(-0.19%)
Jan 27, 2012	20.74	20.77	20.68	20.69	37,075	-0.06(-0.29%)
Jan 26, 2012	20.72	20.82	20.71	20.75	51,662	+0.04(+0.19%)
Jan 25, 2012	20.59	20.71	20.50	20.71	41,924	+0.05(+0.24%)
Jan 24, 2012	20.61	20.67	20.56	20.66	64,220	+0.06(+0.29%)
Jan 23, 2012	20.58	20.63	20.56	20.60	49,644	+0.05(+0.24%)
Jan 20, 2012	20.54	20.56	20.52	20.55	28,206	+0.00(+0.00%)
Jan 19, 2012	20.48	20.59	20.47	20.55	88,652	+0.04(+0.20%)
Jan 18, 2012	20.46	20.51	20.40	20.51	29,711	+0.08(+0.39%)
Jan 17, 2012	20.50	20.50	20.42	20.43	67,292	-0.11(-0.54%)
Jan 16, 2012	20.53	20.55	20.49	20.54	30,706	+0.12(+0.59%)
Jan 13, 2012	20.43	20.44	20.32	20.42	66,810	-0.02(-0.10%)
Jan 12, 2012	20.54	20.54	20.42	20.44	65,677	-0.03(-0.15%)
Jan 11, 2012	20.47	20.48	20.42	20.47	34,070	-0.01(-0.05%)
Jan 10, 2012	20.46	20.51	20.43	20.48	34,264	+0.06(+0.29%)
Jan 09, 2012	20.44	20.45	20.40	20.42	28,859	+0.09(+0.44%)
Jan 06, 2012	20.40	20.40	20.33	20.33	27,112	-0.11(-0.54%)
Jan 05, 2012	20.54	20.54	20.40	20.44	24,931	-0.09(-0.44%)
Jan 04, 2012	20.57	20.57	20.41	20.53	34,972	+0.02(+0.10%)
Dec 30, 2011	20.50	20.54	20.47	20.51	10,658	+0.01(+0.05%)
Dec 29, 2011	20.40	20.50	20.40	20.50	20,960	+0.12(+0.59%)
Dec 28, 2011	20.25	20.43	20.25	20.38	10,775	+0.02(+0.10%)
Dec 23, 2011	20.29	20.36	20.36	20.36	9,561	-0.03(-0.15%)
Dec 21, 2011	20.35	20.39	20.28	20.39	22,683	+0.04(+0.20%)
Dec 20, 2011	20.25	20.35	20.25	20.35	26,740	+0.26(+1.29%)
Dec 19, 2011	20.14	20.21	20.09	20.09	25,345	-0.04(-0.20%)
Dec 16, 2011	20.10	20.13	19.99	20.13	31,837	+0.14(+0.70%)
Dec 15, 2011	20.11	20.11	19.97	19.99	32,706	+0.04(+0.20%)
Dec 14, 2011	20.00	20.00	19.88	19.95	21,711	-0.05(-0.25%)
Dec 13, 2011	20.13	20.17	20.00	20.00	31,841	-0.06(-0.30%)
Dec 12, 2011	20.02	20.06	20.01	20.06	18,720	-0.07(-0.35%)
Dec 09, 2011	20.00	20.16	20.00	20.13	27,951	+0.13(+0.65%)
Dec 08, 2011	20.10	20.10	20.00	20.00	17,178	-0.12(-0.60%)
Dec 07, 2011	20.14	20.14	20.06	20.12	22,449	-0.06(-0.30%)
Dec 06, 2011	20.08	20.18	20.02	20.18	30,643	+0.13(+0.65%)
Dec 05, 2011	20.04	20.13	20.03	20.05	19,532	+0.03(+0.15%)
Dec 02, 2011	19.91	20.02	19.91	20.02	21,391	+0.14(+0.70%)
Dec 01, 2011	19.83	19.88	19.77	19.88	9,043	+0.11(+0.56%)
Nov 30, 2011	19.75	19.81	19.68	19.77	25,724	+0.37(+1.91%)
Nov 29, 2011	19.28	19.41	19.28	19.40	15,813	+0.22(+1.15%)
Nov 28, 2011	19.34	19.37	19.17	19.18	22,072	+0.24(+1.27%)
Nov 25, 2011	18.83	19.06	18.83	18.94	26,647	+0.02(+0.11%)
Nov 24, 2011	18.93	18.95	18.79	18.92	27,972	+0.06(+0.32%)
Nov 23, 2011	19.20	19.21	18.82	18.86	30,495	-0.50(-2.58%)
Nov 22, 2011	19.51	19.51	19.32	19.36	16,246	-0.16(-0.82%)
Nov 21, 2011	19.70	19.72	19.47	19.52	28,169	-0.22(-1.11%)
Nov 18, 2011	19.85	19.85	19.72	19.74	7,893	-0.01(-0.05%)
Nov 17, 2011	19.83	19.89	19.66	19.75	22,950	-0.12(-0.60%)
Nov 16, 2011	20.00	20.01	19.87	19.87	48,470	-0.19(-0.95%)
Nov 15, 2011	20.05	20.07	19.99	20.06	23,793	-0.05(-0.25%)
Nov 14, 2011	20.22	20.22	20.01	20.11	11,091	-0.14(-0.69%)
Nov 11, 2011	20.11	20.25	20.11	20.25	16,348	+0.27(+1.35%)
Nov 10, 2011	20.05	20.15	19.98	19.98	22,034	-0.02(-0.10%)
Nov 09, 2011	20.17	20.21	20.00	20.00	54,307	-0.40(-1.96%)
Nov 08, 2011	20.45	20.45	20.32	20.40	18,852	+0.01(+0.05%)
Nov 07, 2011	20.43	20.43	20.25	20.39	20,506	-0.03(-0.15%)
Nov 04, 2011	20.40	20.42	20.26	20.42	32,723	-0.03(-0.15%)
Nov 03, 2011	20.46	20.46	20.30	20.45	14,880	+0.25(+1.24%)
Nov 02, 2011	20.19	20.25	20.12	20.20	11,077	+0.15(+0.75%)
Nov 01, 2011	20.12	20.22	20.03	20.05	72,521	-0.34(-1.67%)
Oct 31, 2011	20.40	20.50	20.39	20.39	17,265	-0.20(-0.97%)
Oct 28, 2011	20.61	20.61	20.54	20.59	17,267	+0.00(+0.00%)
Oct 27, 2011	20.78	20.82	20.57	20.59	15,619	+0.20(+0.98%)
Oct 26, 2011	20.37	20.39	20.30	20.39	9,284	-0.05(-0.24%)
Oct 25, 2011	20.65	20.65	20.44	20.44	16,540	-0.33(-1.59%)
Oct 24, 2011	20.25	20.78	20.23	20.77	37,692	+0.54(+2.67%)
Oct 21, 2011	20.06	20.23	20.06	20.23	37,356	+0.27(+1.35%)
Oct 20, 2011	19.91	19.96	19.88	19.96	14,485	+0.12(+0.60%)
Oct 19, 2011	19.92	20.06	19.84	19.84	20,862	-0.05(-0.25%)
Oct 18, 2011	19.80	19.93	19.73	19.89	16,213	+0.08(+0.40%)
Oct 17, 2011	19.82	19.83	19.75	19.81	20,675	-0.08(-0.40%)
Oct 14, 2011	19.83	19.90	19.83	19.89	12,184	+0.11(+0.56%)
Oct 13, 2011	19.79	19.79	19.64	19.78	248,241	-0.08(-0.40%)
Oct 12, 2011	19.55	19.86	19.54	19.86	14,510	+0.42(+2.16%)
Oct 11, 2011	19.60	19.60	19.40	19.44	12,434	+0.23(+1.20%)
Oct 07, 2011	19.28	19.33	19.06	19.21	26,218	-0.01(-0.05%)
Oct 06, 2011	18.98	19.22	18.90	19.22	13,357	+0.32(+1.69%)
Oct 05, 2011	18.67	18.92	18.65	18.90	30,482	+0.33(+1.78%)
Oct 04, 2011	18.62	18.62	18.01	18.57	43,352	-0.20(-1.07%)
Oct 03, 2011	18.85	18.97	18.77	18.77	53,875	-0.23(-1.21%)
Sep 30, 2011	19.25	19.25	19.00	19.00	59,099	-0.38(-1.96%)
Sep 29, 2011	19.49	19.49	19.35	19.38	6,047	-0.02(-0.10%)
Sep 28, 2011	19.65	19.65	19.40	19.40	16,379	-0.26(-1.32%)
Sep 27, 2011	19.72	19.72	19.65	19.66	24,919	+0.06(+0.31%)
Sep 26, 2011	19.68	19.68	19.54	19.60	24,666	+0.03(+0.15%)
Sep 23, 2011	19.42	19.62	19.42	19.57	10,752	-0.05(-0.25%)
Sep 22, 2011	19.63	19.74	19.59	19.62	29,081	-0.31(-1.56%)
Sep 21, 2011	20.13	20.13	19.93	19.93	34,478	-0.13(-0.65%)
Sep 20, 2011	20.11	20.11	20.05	20.06	12,525	+0.00(+0.00%)
Sep 19, 2011	20.05	20.06	19.97	20.06	18,701	+0.01(+0.05%)
Sep 16, 2011	20.10	20.12	20.05	20.05	20,402	-0.05(-0.25%)
Sep 15, 2011	20.00	20.10	19.99	20.10	11,488	+0.14(+0.70%)
Sep 14, 2011	19.91	20.01	19.85	19.96	10,765	+0.07(+0.35%)
Sep 13, 2011	19.78	19.89	19.77	19.89	3,801	+0.18(+0.91%)
Sep 12, 2011	19.78	19.78	19.60	19.71	7,657	-0.09(-0.45%)
Sep 09, 2011	20.00	20.00	19.80	19.80	55,506	-0.22(-1.10%)
Sep 08, 2011	19.99	20.04	19.99	20.02	20,932	+0.04(+0.20%)
Sep 07, 2011	20.01	20.04	19.90	19.98	47,187	+0.12(+0.60%)
Sep 06, 2011	19.82	19.92	19.78	19.86	41,302	-0.25(-1.24%)
Sep 02, 2011	20.01	20.21	20.01	20.11	9,899	-0.07(-0.35%)
Sep 01, 2011	20.22	20.24	20.18	20.18	8,162	-0.02(-0.10%)
Aug 31, 2011	20.12	20.28	20.12	20.20	15,112	+0.24(+1.20%)
Aug 30, 2011	19.91	19.96	19.89	19.96	9,656	+0.06(+0.30%)
Aug 29, 2011	19.86	19.93	19.80	19.90	5,740	+0.16(+0.81%)
Aug 26, 2011	19.56	19.74	19.37	19.74	33,157	+0.10(+0.51%)
Aug 25, 2011	19.91	19.92	19.62	19.64	20,660	-0.12(-0.61%)
Aug 24, 2011	19.84	19.84	19.67	19.76	9,787	-0.07(-0.35%)
Aug 23, 2011	19.69	19.88	19.61	19.83	23,901	+0.06(+0.30%)
Aug 22, 2011	19.90	19.90	19.70	19.77	4,956	+0.13(+0.66%)
Aug 19, 2011	19.66	19.94	19.64	19.64	28,812	-0.21(-1.06%)
Aug 18, 2011	19.90	19.90	19.63	19.85	39,044	-0.25(-1.24%)
Aug 17, 2011	19.96	20.12	19.96	20.10	26,529	+0.19(+0.95%)
Aug 16, 2011	19.91	19.99	19.87	19.91	13,163	-0.15(-0.75%)
Aug 15, 2011	19.82	20.06	19.82	20.06	30,644	+0.36(+1.83%)
Aug 12, 2011	19.79	19.85	19.67	19.70	18,366	-0.08(-0.40%)
Aug 11, 2011	19.33	19.79	19.32	19.78	63,683	+0.28(+1.44%)
Aug 10, 2011	19.67	19.67	19.38	19.50	48,483	-0.14(-0.71%)
Aug 09, 2011	19.35	19.64	19.15	19.64	108,630	+0.49(+2.56%)
Aug 08, 2011	19.46	19.50	18.95	19.15	111,460	-0.94(-4.68%)
Aug 05, 2011	20.17	20.29	19.51	20.09	64,274	+0.01(+0.05%)
Aug 04, 2011	20.64	20.64	20.08	20.08	54,549	-0.66(-3.18%)
Aug 03, 2011	20.71	20.74	20.52	20.74	65,538	+0.02(+0.10%)
Aug 02, 2011	20.94	20.94	20.71	20.72	24,764	-0.17(-0.81%)
Jul 29, 2011	20.89	20.89	20.76	20.89	24,887	+0.00(+0.00%)
Jul 28, 2011	20.86	20.93	20.86	20.89	30,304	-0.05(-0.24%)
Jul 27, 2011	20.95	21.00	20.91	20.94	20,276	-0.07(-0.33%)
Jul 26, 2011	20.97	21.03	20.97	21.01	36,651	+0.02(+0.10%)
Jul 25, 2011	21.02	21.05	20.99	20.99	79,094	-0.09(-0.43%)
Jul 22, 2011	21.02	21.09	21.06	21.08	31,974	-0.08(-0.38%)
Jul 21, 2011	21.09	21.19	21.09	21.16	57,695	+0.06(+0.28%)
Jul 20, 2011	21.10	21.10	21.05	21.10	48,062	+0.06(+0.29%)
Jul 19, 2011	21.01	21.05	20.97	21.04	103,800	+0.09(+0.43%)
Jul 18, 2011	21.02	21.02	20.91	20.95	27,324	-0.08(-0.38%)
Jul 15, 2011	21.06	21.06	20.99	21.03	33,336	+0.02(+0.10%)
Jul 14, 2011	21.02	21.05	20.99	21.01	16,573	+0.02(+0.10%)
Jul 13, 2011	20.89	21.03	20.89	20.99	9,309	+0.12(+0.57%)
Jul 12, 2011	20.89	20.92	20.86	20.87	19,959	-0.04(-0.19%)
Jul 11, 2011	21.03	21.04	20.91	20.91	25,767	-0.23(-1.09%)
Jul 08, 2011	21.10	21.15	21.05	21.14	16,166	-0.04(-0.19%)
Jul 07, 2011	21.11	21.18	21.11	21.18	18,007	+0.08(+0.38%)
Jul 06, 2011	21.06	21.10	21.03	21.10	17,690	+0.03(+0.14%)
Jul 05, 2011	21.11	21.11	21.00	21.07	28,297	+0.00(+0.00%)
Jul 04, 2011	21.16	21.17	21.01	21.07	13,124	+0.05(+0.24%)
Jun 30, 2011	20.79	21.02	20.79	21.02	36,575	+0.21(+1.01%)
Jun 29, 2011	20.69	20.81	20.64	20.81	30,324	+0.20(+0.97%)
Jun 28, 2011	20.52	20.62	20.52	20.61	21,278	+0.08(+0.39%)
Jun 27, 2011	20.51	20.55	20.51	20.53	16,840	+0.00(+0.00%)
Jun 24, 2011	20.71	20.71	20.52	20.53	31,492	-0.23(-1.11%)
Jun 23, 2011	20.73	20.76	20.51	20.76	45,947	+0.11(+0.53%)
Jun 22, 2011	20.80	20.80	20.65	20.65	33,175	-0.14(-0.67%)
Jun 21, 2011	20.65	20.81	20.65	20.79	51,659	+0.12(+0.58%)
Jun 20, 2011	20.52	20.67	20.62	20.67	44,937	+0.13(+0.63%)
Jun 17, 2011	20.50	20.59	20.41	20.54	73,106	+0.24(+1.18%)
Jun 16, 2011	20.63	20.69	20.24	20.30	55,200	-0.35(-1.69%)
Jun 15, 2011	20.71	20.73	20.65	20.65	25,872	-0.10(-0.48%)
Jun 14, 2011	20.71	20.79	20.71	20.75	19,222	+0.12(+0.58%)
Jun 13, 2011	20.71	20.77	20.62	20.63	30,399	-0.06(-0.29%)
Jun 10, 2011	20.80	20.83	20.66	20.69	46,754	-0.07(-0.34%)
Jun 09, 2011	20.77	20.80	20.73	20.76	15,861	+0.03(+0.14%)
Jun 08, 2011	20.83	20.83	20.73	20.73	53,220	-0.11(-0.53%)
Jun 07, 2011	20.91	20.91	20.84	20.84	37,668	+0.00(+0.00%)
Jun 06, 2011	20.94	20.94	20.84	20.84	28,826	-0.06(-0.29%)
Jun 03, 2011	20.97	20.97	20.90	20.90	19,820	-0.24(-1.14%)
May 24, 2011	21.17	21.22	21.14	21.14	32,732	-0.12(-0.56%)
May 20, 2011	21.32	21.32	21.25	21.26	13,828	-0.03(-0.14%)
May 19, 2011	21.32	21.32	21.25	21.29	22,099	+0.00(+0.00%)
May 18, 2011	21.29	21.31	21.24	21.29	14,380	+0.01(+0.05%)
May 17, 2011	21.23	21.28	21.17	21.28	19,857	+0.07(+0.33%)
May 16, 2011	21.24	21.25	21.18	21.21	28,342	+0.01(+0.05%)
May 13, 2011	21.29	21.29	21.20	21.20	9,679	-0.05(-0.24%)
May 12, 2011	21.25	21.28	21.20	21.25	43,096	+0.00(+0.00%)
May 11, 2011	21.30	21.30	21.22	21.25	46,692	-0.02(-0.09%)
May 10, 2011	21.25	21.29	21.22	21.27	28,022	+0.03(+0.14%)
May 09, 2011	21.22	21.24	21.20	21.24	17,514	+0.03(+0.14%)
May 06, 2011	21.19	21.44	21.19	21.21	30,368	+0.09(+0.43%)
May 05, 2011	21.20	21.20	21.10	21.12	22,705	-0.06(-0.28%)
May 04, 2011	21.23	21.23	21.14	21.18	45,681	+0.00(+0.00%)
May 03, 2011	21.20	21.21	21.15	21.18	15,717	-0.02(-0.09%)

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