Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	22.00	22.05	21.99	22.05	63,889	+0.06(+0.27%)
Apr 29, 2013	21.97	22.00	21.94	21.99	38,116	+0.04(+0.18%)
Apr 26, 2013	21.98	21.95	21.94	21.95	39,437	+0.01(+0.05%)
Apr 25, 2013	21.92	21.98	21.92	21.94	40,964	+0.03(+0.14%)
Apr 24, 2013	21.84	21.92	21.84	21.91	28,931	+0.05(+0.23%)
Apr 23, 2013	21.85	21.87	21.82	21.86	21,311	-0.06(-0.27%)
Apr 22, 2013	21.88	21.94	21.86	21.92	64,889	+0.07(+0.32%)
Apr 19, 2013	21.86	21.88	21.84	21.85	26,675	+0.01(+0.05%)
Apr 18, 2013	21.89	21.89	21.84	21.84	56,925	-0.04(-0.18%)
Apr 17, 2013	21.89	21.89	21.83	21.88	97,254	-0.04(-0.18%)
Apr 16, 2013	21.80	21.92	21.80	21.92	65,018	+0.16(+0.74%)
Apr 15, 2013	21.88	21.88	21.76	21.76	57,076	-0.14(-0.64%)
Apr 12, 2013	21.89	21.90	21.86	21.90	47,169	+0.01(+0.05%)
Apr 11, 2013	21.90	21.91	21.88	21.89	50,411	-0.01(-0.05%)
Apr 10, 2013	21.85	21.90	21.83	21.90	65,242	+0.08(+0.37%)
Apr 09, 2013	21.77	21.82	21.77	21.82	46,882	+0.06(+0.28%)
Apr 08, 2013	21.73	21.76	21.72	21.76	34,878	+0.04(+0.18%)
Apr 05, 2013	21.67	21.72	21.65	21.72	51,809	+0.02(+0.09%)
Apr 04, 2013	21.70	21.76	21.69	21.70	68,411	-0.01(-0.05%)
Apr 03, 2013	21.73	21.73	21.68	21.71	38,569	-0.02(-0.09%)
Apr 02, 2013	21.70	21.77	21.70	21.73	72,961	-0.01(-0.05%)
Apr 01, 2013	21.66	21.74	21.66	21.74	82,720	+0.04(+0.18%)
Mar 28, 2013		21.70	21.70	21.70	0	+0.03(+0.14%)
Mar 27, 2013	21.67	21.68	21.65	21.67	51,698	-0.03(-0.14%)
Mar 26, 2013	21.70	21.70	21.67	21.70	72,176	+0.03(+0.14%)
Mar 25, 2013	21.67	21.71	21.65	21.67	43,215	-0.01(-0.05%)
Mar 22, 2013	21.68	21.72	21.68	21.68	33,850	-0.04(-0.18%)
Mar 21, 2013	21.74	21.74	21.66	21.72	70,087	-0.14(-0.64%)
Mar 20, 2013	21.78	21.86	21.78	21.86	42,158	+0.08(+0.37%)
Mar 19, 2013	21.82	21.84	21.77	21.78	83,802	-0.02(-0.09%)
Mar 18, 2013	21.74	21.82	21.73	21.80	118,790	-0.01(-0.05%)
Mar 15, 2013	21.80	21.81	21.77	21.81	43,842	+0.00(+0.00%)
Mar 14, 2013	21.73	21.81	21.73	21.81	56,984	+0.06(+0.28%)
Mar 13, 2013	21.70	21.75	21.70	21.75	44,372	+0.04(+0.18%)
Mar 12, 2013	21.74	21.74	21.71	21.71	17,534	-0.02(-0.09%)
Mar 11, 2013	21.71	21.75	21.71	21.73	38,816	-0.02(-0.09%)
Mar 08, 2013	21.72	21.75	21.70	21.75	52,307	+0.03(+0.14%)
Mar 07, 2013	21.71	21.72	21.69	21.72	66,156	+0.04(+0.18%)
Mar 06, 2013	21.73	21.73	21.68	21.68	59,845	-0.01(-0.05%)
Mar 05, 2013	21.68	21.71	21.68	21.69	52,595	+0.03(+0.14%)
Mar 04, 2013	21.62	21.66	21.62	21.66	45,993	+0.02(+0.09%)
Mar 01, 2013	21.62	21.69	21.60	21.64	104,808	+0.04(+0.19%)
Feb 28, 2013	21.62	21.62	21.58	21.60	42,967	-0.01(-0.05%)
Feb 27, 2013	21.59	21.63	21.56	21.61	62,517	+0.06(+0.28%)
Feb 26, 2013	21.50	21.57	21.47	21.55	85,853	+0.03(+0.14%)
Feb 22, 2013	21.51	21.53	21.47	21.52	98,198	+0.10(+0.47%)
Feb 21, 2013	21.49	21.50	21.42	21.42	75,513	-0.15(-0.70%)
Feb 20, 2013	21.61	21.63	21.57	21.57	125,860	-0.02(-0.09%)
Feb 19, 2013	21.55	21.60	21.55	21.59	50,600	+0.06(+0.28%)
Feb 15, 2013		21.53	21.53	21.53	0	-0.03(-0.14%)
Feb 14, 2013	21.51	21.58	21.51	21.56	67,605	-0.01(-0.05%)
Feb 13, 2013	21.52	21.57	21.50	21.57	77,999	+0.02(+0.09%)
Feb 12, 2013	21.44	21.55	21.44	21.55	79,139	+0.07(+0.33%)
Feb 11, 2013	21.49	21.49	21.44	21.48	71,720	+0.01(+0.05%)
Feb 08, 2013	21.44	21.49	21.44	21.47	59,385	+0.01(+0.05%)
Feb 07, 2013	21.47	21.47	21.41	21.46	105,341	-0.04(-0.19%)
Feb 06, 2013	21.48	21.52	21.48	21.50	60,480	+0.03(+0.14%)
Feb 04, 2013	21.55	21.55	21.47	21.47	71,245	-0.10(-0.46%)
Feb 01, 2013	21.54	21.61	21.54	21.57	93,844	+0.07(+0.33%)
Jan 31, 2013	21.54	21.58	21.48	21.50	105,457	-0.05(-0.23%)
Jan 30, 2013	21.67	21.69	21.54	21.55	101,780	-0.16(-0.74%)
Jan 29, 2013	21.75	21.75	21.69	21.71	88,234	-0.04(-0.18%)
Jan 28, 2013	21.73	21.76	21.73	21.75	54,402	-0.03(-0.14%)
Jan 25, 2013	21.76	21.79	21.75	21.78	71,781	-0.01(-0.05%)
Jan 24, 2013	21.76	21.79	21.73	21.79	96,075	-0.05(-0.23%)
Jan 23, 2013	21.82	21.86	21.82	21.84	39,036	-0.01(-0.05%)
Jan 22, 2013	21.83	21.87	21.83	21.85	80,788	-0.02(-0.09%)
Jan 21, 2013	21.75	21.90	21.75	21.87	73,315	+0.16(+0.74%)
Jan 18, 2013	21.64	21.71	21.64	21.71	103,779	+0.03(+0.14%)
Jan 17, 2013	21.63	21.68	21.62	21.68	90,765	+0.07(+0.32%)
Jan 16, 2013	21.63	21.63	21.59	21.61	80,755	-0.03(-0.14%)
Jan 15, 2013	21.61	21.64	21.58	21.64	69,264	+0.01(+0.05%)
Jan 14, 2013	21.66	21.66	21.60	21.63	68,713	-0.03(-0.14%)
Jan 11, 2013	21.62	21.66	21.60	21.66	78,260	+0.04(+0.19%)
Jan 10, 2013	21.62	21.62	21.59	21.62	104,567	+0.03(+0.14%)
Jan 09, 2013	21.59	21.59	21.56	21.59	71,494	+0.04(+0.19%)
Jan 08, 2013	21.54	21.56	21.53	21.55	63,661	-0.01(-0.05%)
Jan 07, 2013	21.56	21.57	21.51	21.56	95,960	+0.02(+0.09%)
Jan 04, 2013	21.51	21.56	21.50	21.54	75,854	+0.02(+0.09%)
Jan 03, 2013	21.57	21.60	21.52	21.52	64,694	-0.08(-0.37%)
Jan 02, 2013	21.49	21.60	21.37	21.60	38,487	+0.23(+1.08%)
Dec 31, 2012		21.37	21.37	21.37	0	+0.07(+0.33%)
Dec 28, 2012	21.33	21.36	21.28	21.30	64,671	-0.06(-0.28%)
Dec 27, 2012	21.27	21.36	21.24	21.36	69,862	+0.11(+0.52%)
Dec 24, 2012		21.25	21.25	21.25	0	-0.22(-1.02%)
Dec 21, 2012	21.45	21.47	21.42	21.47	95,687	-0.04(-0.19%)
Dec 20, 2012	21.45	21.51	21.45	21.51	46,248	+0.07(+0.33%)
Dec 19, 2012	21.46	21.48	21.44	21.44	51,717	-0.04(-0.19%)
Dec 18, 2012	21.48	21.49	21.45	21.48	120,999	+0.01(+0.05%)
Dec 17, 2012	21.41	21.47	21.40	21.47	71,965	+0.10(+0.47%)
Dec 14, 2012	21.42	21.43	21.37	21.37	51,747	-0.01(-0.05%)
Dec 13, 2012	21.46	21.49	21.38	21.38	81,302	-0.07(-0.33%)
Dec 12, 2012	21.44	21.49	21.41	21.45	91,224	+0.07(+0.33%)
Dec 11, 2012	21.42	21.47	21.38	21.38	80,539	+0.00(+0.00%)
Dec 10, 2012	21.36	21.40	21.36	21.38	69,374	+0.01(+0.05%)
Dec 07, 2012	21.40	21.42	21.35	21.37	59,992	-0.02(-0.09%)
Dec 06, 2012	21.35	21.40	21.35	21.39	54,999	+0.07(+0.33%)
Dec 05, 2012	21.37	21.37	21.31	21.32	122,202	+0.00(+0.00%)
Dec 04, 2012	21.31	21.35	21.28	21.32	96,267	+0.08(+0.38%)
Nov 30, 2012	21.21	21.24	21.19	21.24	61,131	+0.04(+0.19%)
Nov 29, 2012	21.15	21.21	21.14	21.20	35,147	+0.09(+0.43%)
Nov 28, 2012	21.07	21.15	21.06	21.11	42,618	+0.02(+0.09%)
Nov 27, 2012	21.07	21.12	21.07	21.09	31,003	+0.02(+0.09%)
Nov 26, 2012	21.07	21.07	21.00	21.07	18,521	-0.01(-0.05%)
Nov 24, 2012	21.05	21.13	21.00	21.08	18,533	+0.00(+0.00%)
Nov 23, 2012	21.05	21.13	21.00	21.08	18,533	+0.03(+0.14%)
Nov 22, 2012	21.16	21.16	21.03	21.05	25,235	-0.06(-0.28%)
Nov 21, 2012	21.12	21.13	21.10	21.11	47,808	+0.02(+0.09%)
Nov 20, 2012	21.04	21.11	21.04	21.09	27,647	-0.01(-0.05%)
Nov 19, 2012	20.91	21.10	20.88	21.10	60,317	+0.27(+1.30%)
Nov 16, 2012	20.79	20.84	20.74	20.83	76,374	+0.06(+0.29%)
Nov 15, 2012	20.79	20.81	20.65	20.77	46,231	+0.00(+0.00%)
Nov 14, 2012	20.95	20.95	20.77	20.77	157,732	-0.13(-0.62%)
Nov 13, 2012	20.92	20.94	20.86	20.90	38,219	-0.04(-0.19%)
Nov 12, 2012	20.97	20.98	20.92	20.94	35,732	+0.00(+0.00%)
Nov 09, 2012	20.97	21.00	20.93	20.94	55,683	-0.03(-0.14%)
Nov 08, 2012	21.08	21.11	20.97	20.97	59,681	-0.06(-0.29%)
Nov 07, 2012	21.15	21.15	21.03	21.03	40,458	-0.14(-0.66%)
Nov 06, 2012	21.19	21.19	21.14	21.17	43,628	+0.03(+0.14%)
Nov 05, 2012	21.16	21.20	21.11	21.14	60,071	-0.03(-0.14%)
Nov 02, 2012	21.22	21.24	21.17	21.17	90,596	-0.03(-0.14%)
Nov 01, 2012	21.12	21.22	21.12	21.20	83,544	+0.11(+0.52%)
Oct 31, 2012	21.07	21.12	21.07	21.09	55,127	-0.02(-0.09%)
Oct 30, 2012	21.09	21.14	21.03	21.11	15,828	+0.05(+0.24%)
Oct 29, 2012	21.03	21.09	21.02	21.06	22,115	-0.01(-0.05%)
Oct 26, 2012	21.15	21.15	21.05	21.07	43,886	-0.07(-0.33%)
Oct 25, 2012	21.15	21.19	21.11	21.14	39,050	+0.03(+0.14%)
Oct 24, 2012	21.16	21.17	21.09	21.11	40,269	-0.09(-0.42%)
Oct 23, 2012	21.23	21.25	21.18	21.20	61,853	-0.09(-0.42%)
Oct 19, 2012	21.36	21.38	21.27	21.29	36,549	-0.10(-0.47%)
Oct 18, 2012	21.35	21.41	21.35	21.39	72,768	+0.01(+0.05%)
Oct 17, 2012	21.39	21.42	21.37	21.38	97,468	+0.02(+0.09%)
Oct 16, 2012	21.31	21.36	21.29	21.36	37,086	+0.09(+0.42%)
Oct 15, 2012	21.21	21.28	21.21	21.27	26,751	+0.10(+0.47%)
Oct 12, 2012	21.15	21.22	21.15	21.17	68,669	+0.02(+0.09%)
Oct 11, 2012	21.11	21.15	21.10	21.15	27,217	+0.13(+0.62%)
Oct 10, 2012	21.07	21.10	21.02	21.02	28,230	-0.06(-0.28%)
Oct 09, 2012	21.18	21.18	21.08	21.08	42,889	-0.08(-0.38%)
Oct 05, 2012		21.16	21.16	21.16	0	+0.00(+0.00%)
Oct 04, 2012	21.12	21.19	21.12	21.16	46,081	+0.07(+0.33%)
Oct 03, 2012	21.10	21.12	21.05	21.09	44,387	+0.07(+0.33%)
Oct 02, 2012	21.02	21.04	20.98	21.02	22,798	+0.02(+0.10%)
Oct 01, 2012	21.13	21.13	21.00	21.00	50,499	-0.04(-0.19%)
Sep 28, 2012	21.12	21.12	21.04	21.04	33,373	-0.09(-0.43%)
Sep 27, 2012	20.98	21.13	20.98	21.13	63,613	+0.21(+1.00%)
Sep 26, 2012	21.01	21.01	20.85	20.92	48,222	-0.08(-0.38%)
Sep 25, 2012	21.21	21.21	20.99	21.00	51,108	-0.19(-0.90%)
Sep 24, 2012	21.22	21.22	21.18	21.19	27,186	-0.02(-0.09%)
Sep 21, 2012	21.29	21.29	21.19	21.21	37,493	-0.17(-0.80%)
Sep 20, 2012	21.41	21.42	21.36	21.38	27,829	-0.07(-0.33%)
Sep 19, 2012	21.48	21.49	21.45	21.45	47,956	-0.03(-0.14%)
Sep 18, 2012	21.44	21.49	21.43	21.48	39,126	+0.01(+0.05%)
Sep 17, 2012	21.44	21.49	21.44	21.47	61,076	-0.01(-0.05%)
Sep 14, 2012	21.47	21.50	21.44	21.48	54,410	+0.02(+0.09%)
Sep 13, 2012	21.33	21.47	21.33	21.46	76,216	+0.11(+0.52%)
Sep 12, 2012	21.30	21.35	21.30	21.35	14,839	+0.07(+0.33%)
Sep 11, 2012	21.15	21.28	21.15	21.28	20,774	+0.14(+0.66%)
Sep 10, 2012	21.16	21.21	21.14	21.14	47,854	-0.03(-0.14%)
Sep 07, 2012	21.15	21.18	21.15	21.17	27,022	+0.02(+0.09%)
Sep 06, 2012	21.05	21.15	21.05	21.15	23,495	+0.13(+0.62%)
Sep 05, 2012	21.01	21.05	21.01	21.02	41,165	+0.00(+0.00%)
Sep 04, 2012	21.01	21.02	20.97	21.02	75,692	-0.01(-0.05%)
Aug 31, 2012		21.03	21.03	21.03	0	+0.05(+0.24%)
Aug 30, 2012	20.99	20.99	20.97	20.98	36,332	+0.01(+0.05%)
Aug 29, 2012	21.00	21.00	20.97	20.97	48,824	-0.01(-0.05%)
Aug 27, 2012	21.00	21.01	20.96	20.98	35,210	+0.00(+0.00%)
Aug 24, 2012	20.92	20.98	20.90	20.98	22,119	-0.01(-0.05%)
Aug 23, 2012	21.01	21.01	20.98	20.99	32,882	-0.03(-0.14%)
Aug 22, 2012	21.03	21.03	20.99	21.02	74,939	-0.01(-0.05%)
Aug 21, 2012	20.97	21.03	20.97	21.03	72,676	+0.03(+0.14%)
Aug 20, 2012	20.95	21.00	20.95	21.00	29,812	+0.04(+0.19%)
Aug 17, 2012	20.95	20.98	20.93	20.96	32,015	+0.00(+0.00%)
Aug 16, 2012	20.87	20.96	20.85	20.96	66,033	+0.08(+0.38%)
Aug 15, 2012	21.00	21.00	20.88	20.88	26,037	-0.10(-0.48%)
Aug 14, 2012	20.96	21.01	20.94	20.98	44,466	+0.04(+0.19%)
Aug 13, 2012	20.92	20.94	20.89	20.94	20,696	+0.01(+0.05%)
Aug 11, 2012	20.92	20.96	20.91	20.93	57,425	+0.00(+0.00%)
Aug 10, 2012	20.92	20.96	20.91	20.93	57,425	-0.03(-0.14%)
Aug 09, 2012	20.99	20.99	20.92	20.96	22,321	-0.01(-0.05%)
Aug 08, 2012	20.97	20.98	20.95	20.97	95,396	+0.05(+0.24%)
Aug 07, 2012	21.05	21.05	20.92	20.92	64,361	-0.06(-0.29%)
Aug 03, 2012		20.98	20.98	20.98	0	+0.06(+0.29%)
Aug 02, 2012	20.95	20.95	20.87	20.92	16,137	-0.05(-0.24%)
Aug 01, 2012	20.93	20.97	20.88	20.97	66,784	+0.10(+0.48%)
Jul 31, 2012	20.96	20.96	20.86	20.87	43,695	-0.06(-0.29%)
Jul 30, 2012	20.91	20.94	20.89	20.93	22,844	+0.01(+0.05%)
Jul 27, 2012	20.80	20.94	20.80	20.92	43,121	+0.10(+0.48%)
Jul 26, 2012	20.69	20.82	20.69	20.82	37,359	+0.20(+0.97%)
Jul 25, 2012	20.69	20.72	20.61	20.62	32,019	-0.04(-0.19%)
Jul 24, 2012	20.76	20.76	20.64	20.66	80,018	-0.22(-1.05%)
Jul 23, 2012	20.80	20.89	20.75	20.88	32,669	-0.03(-0.14%)
Jul 20, 2012	20.94	20.97	20.89	20.91	37,180	-0.09(-0.43%)
Jul 19, 2012	20.95	21.03	20.94	21.00	62,290	+0.06(+0.29%)
Jul 18, 2012	20.87	20.95	20.86	20.94	35,482	+0.07(+0.34%)
Jul 17, 2012	20.84	20.87	20.78	20.87	38,445	+0.09(+0.43%)
Jul 16, 2012	20.76	20.83	20.76	20.78	34,546	-0.05(-0.24%)
Jul 13, 2012	20.73	20.86	20.73	20.83	48,884	+0.05(+0.24%)
Jul 12, 2012	20.79	20.81	20.71	20.78	33,200	-0.06(-0.29%)
Jul 11, 2012	20.82	20.84	20.76	20.84	30,891	+0.07(+0.34%)
Jul 10, 2012	20.88	20.89	20.75	20.77	24,478	-0.08(-0.38%)
Jul 09, 2012	20.83	20.87	20.80	20.85	51,901	+0.02(+0.10%)
Jul 06, 2012	20.84	20.85	20.77	20.83	45,520	-0.06(-0.29%)
Jul 05, 2012	20.87	20.91	20.77	20.89	76,314	+0.18(+0.87%)
Jul 04, 2012	20.68	20.90	20.68	20.71	33,133	-0.09(-0.43%)
Jul 03, 2012	20.77	20.85	20.77	20.80	38,700	+0.02(+0.10%)
Jun 29, 2012		20.78	20.78	20.78	0	+0.20(+0.97%)
Jun 28, 2012	20.54	20.60	20.54	20.58	40,830	-0.02(-0.10%)
Jun 27, 2012	20.54	20.60	20.52	20.60	48,021	+0.13(+0.64%)
Jun 26, 2012	20.53	20.54	20.43	20.47	61,563	-0.04(-0.20%)
Jun 25, 2012	20.48	20.51	20.44	20.51	39,224	-0.04(-0.19%)
Jun 22, 2012	20.48	20.56	20.47	20.55	18,565	+0.05(+0.24%)
Jun 21, 2012	20.64	20.70	20.47	20.50	56,112	-0.16(-0.77%)
Jun 20, 2012	20.64	20.66	20.55	20.66	34,920	+0.07(+0.34%)
Jun 19, 2012	20.49	20.62	20.49	20.59	43,195	+0.15(+0.73%)
Jun 18, 2012	20.35	20.45	20.35	20.44	78,475	+0.00(+0.00%)
Jun 15, 2012	20.34	20.44	20.34	20.44	52,411	+0.04(+0.20%)
Jun 14, 2012	20.26	20.40	20.23	20.40	30,863	+0.16(+0.79%)
Jun 13, 2012	20.30	20.34	20.20	20.24	30,369	-0.07(-0.34%)
Jun 12, 2012	20.24	20.32	20.21	20.31	45,378	+0.15(+0.74%)
Jun 11, 2012	20.37	20.37	20.16	20.16	50,718	-0.14(-0.69%)
Jun 08, 2012	20.15	20.34	20.15	20.30	98,666	+0.10(+0.50%)
Jun 07, 2012	20.22	20.29	20.16	20.20	51,900	+0.05(+0.25%)
Jun 06, 2012	19.95	20.15	19.95	20.15	21,065	+0.17(+0.85%)
Jun 05, 2012	19.82	19.99	19.79	19.98	56,711	+0.17(+0.86%)
Jun 04, 2012	19.77	19.85	19.77	19.81	60,085	+0.02(+0.10%)
Jun 02, 2012	19.81	19.92	19.77	19.79	61,957	+0.00(+0.00%)
Jun 01, 2012	19.81	19.92	19.77	19.79	61,957	-0.20(-1.00%)
May 31, 2012	20.19	20.20	19.98	19.99	52,576	-0.19(-0.94%)
May 30, 2012	20.21	20.22	20.17	20.18	56,564	-0.13(-0.64%)
May 29, 2012	20.17	20.32	20.16	20.31	53,411	+0.14(+0.69%)
May 28, 2012	20.19	20.20	20.13	20.17	28,896	+0.11(+0.55%)
May 25, 2012	20.16	20.18	20.05	20.06	42,733	-0.06(-0.30%)
May 24, 2012	20.20	20.20	20.09	20.12	67,242	-0.02(-0.10%)
May 23, 2012	20.11	20.19	20.03	20.14	397,021	-0.10(-0.49%)
May 22, 2012	20.32	20.38	20.24	20.24	48,959	+0.21(+1.05%)
May 18, 2012		20.03	20.03	20.03	0	+0.03(+0.15%)
May 17, 2012	20.31	20.31	19.98	20.00	59,120	-0.32(-1.57%)
May 16, 2012	20.55	20.61	20.32	20.32	71,108	-0.21(-1.02%)
May 15, 2012	20.62	20.63	20.53	20.53	61,100	-0.07(-0.34%)
May 14, 2012	20.74	20.74	20.60	20.60	59,944	-0.19(-0.91%)
May 11, 2012	20.73	20.86	20.73	20.79	29,228	+0.06(+0.29%)
May 10, 2012	20.84	20.84	20.73	20.73	58,144	-0.01(-0.05%)
May 09, 2012	20.78	20.79	20.71	20.74	44,577	-0.08(-0.38%)
May 08, 2012	20.80	20.85	20.76	20.82	57,245	-0.01(-0.05%)
May 07, 2012	20.80	20.87	20.75	20.83	48,370	+0.02(+0.10%)
May 04, 2012	20.81	20.82	20.77	20.81	86,015	-0.02(-0.10%)
May 03, 2012	20.88	20.88	20.82	20.83	52,421	-0.03(-0.14%)
May 02, 2012	20.76	20.87	20.76	20.86	47,654	+0.08(+0.38%)

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