Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	19.11	19.11	18.87	18.92	887,592	-0.21(-1.10%)
Apr 29, 2013	19.18	19.18	19.08	19.13	322,766	-0.19(-0.98%)
Apr 26, 2013	19.38	19.40	19.32	19.32	385,550	-0.09(-0.46%)
Apr 25, 2013	19.32	19.46	19.32	19.41	538,861	+0.03(+0.15%)
Apr 24, 2013	19.47	19.51	19.34	19.38	558,742	-0.06(-0.31%)
Apr 23, 2013	19.44	19.47	19.34	19.44	1,422,951	+0.20(+1.04%)
Apr 22, 2013	19.36	19.38	19.23	19.24	427,641	-0.01(-0.05%)
Apr 19, 2013	19.17	19.27	19.05	19.25	659,407	-0.03(-0.16%)
Apr 18, 2013	19.26	19.35	19.14	19.28	511,378	-0.05(-0.26%)
Apr 17, 2013	19.00	19.42	19.00	19.33	1,491,809	+0.43(+2.28%)
Apr 16, 2013	19.06	19.11	18.85	18.90	1,300,713	-0.45(-2.30%)
Apr 15, 2013	19.17	19.35	19.16	19.34	1,246,144	+0.20(+1.07%)
Apr 12, 2013	19.20	19.23	19.12	19.14	498,596	+0.00(+0.00%)
Apr 11, 2013	19.17	19.19	19.03	19.14	1,094,881	-0.11(-0.57%)
Apr 10, 2013	19.18	19.28	19.16	19.25	710,326	+0.05(+0.26%)
Apr 09, 2013	19.26	19.34	19.13	19.20	859,038	-0.24(-1.23%)
Apr 08, 2013	19.44	19.47	19.36	19.44	415,980	+0.02(+0.10%)
Apr 05, 2013	19.45	19.47	19.32	19.42	881,255	-0.21(-1.07%)
Apr 04, 2013	20.09	20.10	19.59	19.63	1,362,875	-0.28(-1.41%)
Apr 03, 2013	19.97	19.98	19.87	19.91	474,186	-0.11(-0.55%)
Apr 02, 2013	20.02	20.04	19.94	20.02	668,564	+0.10(+0.50%)
Apr 01, 2013	20.01	20.03	19.86	19.92	408,997	-0.08(-0.40%)
Mar 28, 2013	20.04	20.04	19.93	20.00	695,836	-0.16(-0.79%)
Mar 27, 2013	20.17	20.22	20.10	20.16	936,074	+0.27(+1.36%)
Mar 26, 2013	19.89	19.97	19.80	19.89	1,189,626	-0.01(-0.05%)
Mar 25, 2013	19.64	19.97	19.63	19.90	1,557,073	+0.39(+2.00%)
Mar 22, 2013	19.63	19.66	19.44	19.51	795,647	-0.27(-1.37%)
Mar 21, 2013	19.77	19.82	19.65	19.78	1,695,930	+0.14(+0.71%)
Mar 20, 2013	19.59	19.68	19.53	19.64	1,305,933	-0.16(-0.81%)
Mar 19, 2013	19.65	19.94	19.60	19.80	2,369,171	+0.12(+0.61%)
Mar 18, 2013	19.69	19.71	19.49	19.68	1,443,860	+0.38(+1.97%)
Mar 15, 2013	19.23	19.34	19.22	19.30	699,416	-0.16(-0.82%)
Mar 14, 2013	19.67	19.68	19.39	19.46	599,616	-0.15(-0.76%)
Mar 13, 2013	19.55	19.71	19.54	19.61	749,899	+0.23(+1.19%)
Mar 12, 2013	19.28	19.44	19.26	19.38	476,895	+0.01(+0.05%)
Mar 11, 2013	19.50	19.52	19.35	19.37	259,684	-0.11(-0.56%)
Mar 08, 2013	19.53	19.61	19.43	19.48	1,306,664	+0.31(+1.62%)
Mar 07, 2013	19.26	19.28	19.13	19.17	1,856,174	-0.35(-1.79%)
Mar 06, 2013	19.43	19.55	19.42	19.52	588,770	+0.14(+0.72%)
Mar 05, 2013	19.36	19.46	19.34	19.38	936,664	-0.06(-0.31%)
Mar 04, 2013	19.50	19.54	19.41	19.44	733,095	+0.00(+0.00%)
Mar 01, 2013	19.51	19.60	19.37	19.44	1,639,802	+0.10(+0.52%)
Feb 28, 2013	19.21	19.34	19.18	19.34	734,607	+0.26(+1.36%)
Feb 27, 2013	19.26	19.28	19.08	19.08	1,585,998	-0.23(-1.19%)
Feb 26, 2013	19.25	19.39	19.14	19.31	1,879,470	+0.34(+1.79%)
Feb 22, 2013	18.99	19.08	18.95	18.97	803,112	-0.01(-0.05%)
Feb 21, 2013	18.90	19.03	18.84	18.98	2,270,805	+0.27(+1.44%)
Feb 20, 2013	18.41	18.73	18.41	18.71	1,181,680	+0.32(+1.74%)
Feb 19, 2013	18.48	18.50	18.38	18.39	663,071	-0.08(-0.43%)
Feb 15, 2013	18.50	18.53	18.44	18.47	443,579	-0.03(-0.16%)
Feb 14, 2013	18.55	18.60	18.48	18.50	1,072,790	+0.24(+1.31%)
Feb 13, 2013	18.17	18.29	18.14	18.26	503,495	+0.02(+0.11%)
Feb 12, 2013	18.31	18.33	18.17	18.24	457,915	-0.14(-0.76%)
Feb 11, 2013	18.43	18.48	18.30	18.38	1,080,975	-0.10(-0.54%)
Feb 08, 2013	18.41	18.50	18.37	18.48	685,387	+0.09(+0.49%)
Feb 07, 2013	18.26	18.45	18.23	18.39	1,466,288	+0.33(+1.83%)
Feb 06, 2013	18.09	18.11	18.00	18.06	877,854	-0.03(-0.17%)
Feb 04, 2013	17.97	18.10	17.91	18.09	1,950,795	+0.39(+2.20%)
Feb 01, 2013	17.78	17.90	17.56	17.70	3,596,235	-0.20(-1.12%)
Jan 31, 2013	17.96	17.96	17.88	17.90	1,396,665	-0.06(-0.33%)
Jan 30, 2013	17.98	18.00	17.89	17.96	1,797,045	-0.18(-0.99%)
Jan 29, 2013	18.21	18.23	18.13	18.14	1,111,521	-0.10(-0.55%)
Jan 28, 2013	18.20	18.31	18.20	18.24	676,938	+0.00(+0.00%)
Jan 25, 2013	18.23	18.26	18.18	18.24	1,068,693	-0.23(-1.25%)
Jan 24, 2013	18.57	18.58	18.43	18.47	1,156,288	-0.16(-0.86%)
Jan 23, 2013	18.61	18.78	18.57	18.63	468,794	-0.01(-0.05%)
Jan 22, 2013	18.63	18.74	18.62	18.64	880,026	+0.01(+0.05%)
Jan 18, 2013	18.61	18.73	18.58	18.63	1,767,740	+0.15(+0.81%)
Jan 17, 2013	18.58	18.60	18.45	18.48	1,222,853	-0.25(-1.33%)
Jan 16, 2013	18.72	18.76	18.66	18.73	886,408	+0.08(+0.43%)
Jan 15, 2013	18.58	18.78	18.53	18.65	1,612,135	+0.20(+1.08%)
Jan 14, 2013	18.53	18.58	18.43	18.45	630,212	-0.14(-0.75%)
Jan 11, 2013	18.55	18.64	18.50	18.59	1,481,867	-0.24(-1.27%)
Jan 10, 2013	19.03	19.04	18.80	18.83	1,824,888	-0.57(-2.94%)
Jan 09, 2013	19.45	19.46	19.34	19.40	2,299,909	+0.06(+0.31%)
Jan 08, 2013	19.31	19.40	19.30	19.34	448,835	+0.09(+0.47%)
Jan 07, 2013	19.39	19.43	19.23	19.25	668,272	-0.08(-0.41%)
Jan 04, 2013	19.46	19.49	19.31	19.33	900,708	-0.09(-0.46%)
Jan 03, 2013	19.26	19.44	19.23	19.42	1,794,726	+0.37(+1.94%)
Jan 02, 2013	18.84	19.13	18.84	19.05	1,613,419	+0.04(+0.21%)
Dec 31, 2012	18.94	19.07	18.92	19.01	663,114	+0.07(+0.37%)
Dec 28, 2012	18.94	18.97	18.89	18.94	584,041	+0.07(+0.37%)
Dec 27, 2012	18.78	18.99	18.77	18.87	744,374	-0.04(-0.21%)
Dec 26, 2012	18.96	18.96	18.84	18.91	518,262	-0.12(-0.63%)
Dec 24, 2012	18.95	19.07	18.95	19.03	541,991	-0.02(-0.10%)
Dec 21, 2012	19.02	19.12	19.01	19.05	780,601	+0.19(+1.01%)
Dec 20, 2012	18.78	18.95	18.77	18.86	1,951,447	-0.02(-0.11%)
Dec 19, 2012	18.74	18.90	18.71	18.88	4,401,456	-0.06(-0.31%)
Dec 18, 2012	19.05	19.08	18.88	18.94	1,798,786	-0.18(-0.94%)
Dec 17, 2012	19.14	19.14	19.06	19.12	496,753	+0.00(+0.00%)
Dec 14, 2012	19.33	19.35	19.08	19.12	1,375,094	-0.25(-1.30%)
Dec 13, 2012	19.37	19.42	19.30	19.37	373,469	-0.03(-0.15%)
Dec 12, 2012	19.47	19.50	19.30	19.40	719,747	-0.18(-0.92%)
Dec 11, 2012	19.64	19.66	19.56	19.58	626,100	-0.19(-0.96%)
Dec 10, 2012	19.80	19.84	19.77	19.77	301,224	-0.04(-0.20%)
Dec 07, 2012	19.88	19.91	19.75	19.81	543,481	+0.12(+0.61%)
Dec 06, 2012	19.50	19.74	19.49	19.69	703,451	+0.30(+1.55%)
Dec 05, 2012	19.39	19.41	19.34	19.39	663,521	+0.06(+0.31%)
Dec 04, 2012	19.32	19.39	19.28	19.33	772,295	-0.28(-1.43%)
Nov 30, 2012	19.65	19.66	19.54	19.61	624,051	-0.07(-0.36%)
Nov 29, 2012	19.65	19.78	19.55	19.68	773,608	-0.11(-0.56%)
Nov 28, 2012	19.96	19.98	19.78	19.79	675,087	-0.03(-0.15%)
Nov 27, 2012	19.81	19.88	19.77	19.82	473,724	+0.11(+0.56%)
Nov 26, 2012	19.72	19.75	19.69	19.71	744,695	+0.05(+0.25%)
Nov 23, 2012	19.82	19.83	19.64	19.66	869,893	-0.51(-2.53%)
Nov 21, 2012	20.18	20.21	20.14	20.17	473,101	-0.01(-0.05%)
Nov 20, 2012	20.24	20.28	20.18	20.18	997,339	-0.02(-0.10%)
Nov 19, 2012	20.33	20.34	20.17	20.20	515,764	-0.24(-1.17%)
Nov 16, 2012	20.43	20.59	20.41	20.44	1,098,357	+0.11(+0.54%)
Nov 15, 2012	20.34	20.37	20.23	20.33	661,388	-0.12(-0.59%)
Nov 14, 2012	20.41	20.48	20.30	20.45	1,287,907	-0.11(-0.54%)
Nov 13, 2012	20.62	20.62	20.49	20.56	784,716	+0.04(+0.19%)
Nov 12, 2012	20.51	20.54	20.49	20.52	370,875	+0.00(+0.00%)
Nov 09, 2012	20.55	20.56	20.48	20.52	753,037	+0.08(+0.39%)
Nov 08, 2012	20.45	20.50	20.39	20.44	828,672	+0.08(+0.39%)
Nov 07, 2012	20.37	20.42	20.33	20.36	986,988	+0.15(+0.74%)
Nov 06, 2012	20.21	20.26	20.16	20.21	1,671,566	-0.07(-0.35%)
Nov 05, 2012	20.29	20.33	20.27	20.28	608,856	+0.14(+0.70%)
Nov 02, 2012	20.05	20.18	20.05	20.14	875,701	+0.32(+1.61%)
Nov 01, 2012	19.72	19.85	19.69	19.82	485,617	+0.06(+0.30%)
Oct 31, 2012	19.67	19.78	19.65	19.76	476,380	-0.07(-0.36%)
Oct 26, 2012	19.86	19.83	19.83	19.83	693,600	+0.02(+0.11%)
Oct 25, 2012	19.70	19.82	19.67	19.81	406,673	+0.05(+0.25%)
Oct 24, 2012	19.73	19.81	19.71	19.76	1,198,873	+0.07(+0.36%)
Oct 23, 2012	19.72	19.78	19.69	19.69	1,268,256	+0.12(+0.61%)
Oct 19, 2012	19.48	19.60	19.48	19.57	1,179,127	+0.15(+0.77%)
Oct 18, 2012	19.34	19.48	19.30	19.42	528,837	+0.15(+0.78%)
Oct 17, 2012	19.29	19.33	19.23	19.27	1,210,432	-0.22(-1.13%)
Oct 16, 2012	19.50	19.60	19.47	19.49	1,345,737	-0.31(-1.57%)
Oct 15, 2012	19.77	19.86	19.76	19.80	399,544	+0.01(+0.05%)
Oct 12, 2012	19.72	19.84	19.70	19.79	466,116	-0.08(-0.40%)
Oct 11, 2012	19.84	19.88	19.80	19.87	689,473	-0.08(-0.40%)
Oct 10, 2012	20.00	20.04	19.92	19.95	821,104	-0.10(-0.50%)
Oct 09, 2012	19.92	20.09	19.87	20.05	1,013,731	+0.30(+1.52%)
Oct 08, 2012	19.73	19.78	19.73	19.75	473,980	+0.19(+0.97%)
Oct 05, 2012	19.53	19.61	19.44	19.56	1,089,955	-0.03(-0.15%)
Oct 04, 2012	19.73	19.75	19.56	19.59	1,085,550	-0.37(-1.85%)
Oct 03, 2012	19.96	20.01	19.90	19.96	541,318	+0.06(+0.30%)
Oct 02, 2012	19.84	19.93	19.76	19.90	689,994	-0.11(-0.55%)
Oct 01, 2012	19.94	20.04	19.86	20.01	649,742	-0.11(-0.55%)
Sep 28, 2012	19.90	20.16	19.90	20.12	895,405	+0.18(+0.90%)
Sep 27, 2012	20.07	20.20	19.89	19.94	956,979	-0.13(-0.65%)
Sep 26, 2012	20.10	20.17	20.06	20.07	1,656,705	+0.11(+0.55%)
Sep 25, 2012	19.85	19.96	19.76	19.96	933,956	+0.05(+0.25%)
Sep 24, 2012	19.96	19.99	19.87	19.91	978,504	+0.20(+1.01%)
Sep 21, 2012	19.62	19.74	19.58	19.71	1,317,582	-0.07(-0.35%)
Sep 20, 2012	19.88	19.92	19.75	19.78	1,530,792	+0.27(+1.38%)
Sep 19, 2012	19.61	19.65	19.45	19.51	1,162,026	-0.05(-0.26%)
Sep 18, 2012	19.51	19.59	19.47	19.56	1,664,198	+0.20(+1.03%)
Sep 17, 2012	19.28	19.41	19.17	19.36	2,223,368	+0.04(+0.21%)
Sep 14, 2012	19.37	19.39	19.18	19.32	3,619,607	-0.40(-2.03%)
Sep 13, 2012	20.01	20.15	19.68	19.72	5,044,881	-0.31(-1.55%)
Sep 12, 2012	19.98	20.08	19.96	20.03	1,412,876	-0.10(-0.50%)
Sep 11, 2012	20.25	20.26	20.09	20.13	1,443,777	-0.31(-1.52%)
Sep 10, 2012	20.38	20.46	20.31	20.44	1,428,361	+0.16(+0.79%)
Sep 07, 2012	20.44	20.48	20.28	20.28	2,959,058	-0.57(-2.73%)
Sep 06, 2012	21.05	21.10	20.82	20.85	1,822,104	-0.16(-0.76%)
Sep 05, 2012	20.98	21.03	20.90	21.01	1,288,713	-0.09(-0.43%)
Sep 04, 2012	21.07	21.14	21.00	21.10	1,088,335	+0.02(+0.09%)
Aug 31, 2012	20.94	21.12	20.85	21.08	1,519,908	-0.25(-1.17%)
Aug 30, 2012	21.15	21.37	21.12	21.33	786,210	+0.10(+0.47%)
Aug 29, 2012	21.18	21.26	21.15	21.23	1,001,906	-0.10(-0.47%)
Aug 27, 2012	21.24	21.34	21.24	21.33	650,951	+0.05(+0.23%)
Aug 24, 2012	21.34	21.35	21.12	21.28	1,115,707	+0.17(+0.81%)
Aug 23, 2012	21.16	21.21	21.02	21.11	1,768,562	-0.15(-0.71%)
Aug 22, 2012	21.52	21.54	21.19	21.26	1,793,236	-0.20(-0.93%)
Aug 21, 2012	21.48	21.49	21.37	21.46	2,129,079	-0.42(-1.92%)
Aug 20, 2012	21.99	22.01	21.85	21.88	1,044,394	-0.05(-0.23%)
Aug 17, 2012	21.86	22.07	21.85	21.93	1,381,954	+0.08(+0.37%)
Aug 16, 2012	21.95	21.97	21.78	21.85	1,472,604	-0.25(-1.13%)
Aug 15, 2012	22.10	22.17	22.07	22.10	878,406	+0.15(+0.68%)
Aug 14, 2012	21.88	21.98	21.86	21.95	673,969	+0.05(+0.23%)
Aug 13, 2012	21.88	21.96	21.78	21.90	744,723	-0.15(-0.68%)
Aug 10, 2012	22.21	22.25	21.98	22.05	655,339	-0.01(-0.05%)
Aug 09, 2012	22.07	22.16	21.96	22.06	1,118,090	+0.22(+1.01%)
Aug 08, 2012	21.91	21.91	21.78	21.84	741,444	+0.15(+0.69%)
Aug 07, 2012	21.57	21.71	21.55	21.69	1,488,127	-0.02(-0.09%)
Aug 06, 2012	21.75	21.78	21.59	21.71	1,763,794	-0.06(-0.28%)
Aug 03, 2012	22.11	22.13	21.71	21.77	2,857,059	-0.73(-3.24%)
Aug 02, 2012	22.47	22.67	22.33	22.50	3,205,305	+0.15(+0.67%)
Aug 01, 2012	22.02	22.36	21.98	22.35	1,934,184	+0.28(+1.27%)
Jul 31, 2012	22.12	22.16	21.96	22.07	1,073,876	-0.15(-0.68%)
Jul 30, 2012	22.30	22.32	22.20	22.22	1,298,719	+0.15(+0.68%)
Jul 27, 2012	21.98	22.14	21.75	22.07	4,671,586	-0.06(-0.27%)
Jul 26, 2012	22.09	22.16	21.96	22.13	4,071,939	-0.48(-2.12%)
Jul 25, 2012	22.62	22.78	22.59	22.61	1,571,772	-0.33(-1.44%)
Jul 24, 2012	22.81	23.04	22.78	22.94	2,592,920	+0.23(+1.01%)
Jul 23, 2012	22.87	22.93	22.66	22.71	2,405,673	+0.09(+0.40%)
Jul 20, 2012	22.51	22.66	22.50	22.62	1,739,632	+0.44(+1.98%)
Jul 19, 2012	22.28	22.35	22.14	22.18	1,701,067	+0.02(+0.09%)
Jul 18, 2012	22.31	22.31	22.14	22.16	1,014,141	+0.02(+0.09%)
Jul 17, 2012	22.16	22.50	22.12	22.14	1,591,944	-0.03(-0.14%)
Jul 16, 2012	22.30	22.42	22.13	22.17	1,316,709	-0.13(-0.58%)
Jul 13, 2012	22.54	22.54	22.25	22.30	1,422,066	-0.15(-0.67%)
Jul 12, 2012	22.51	22.56	22.42	22.45	1,471,331	+0.14(+0.65%)
Jul 11, 2012	22.26	22.41	22.15	22.30	1,820,316	+0.04(+0.16%)
Jul 10, 2012	22.11	22.33	22.11	22.27	1,329,368	+0.23(+1.04%)
Jul 09, 2012	22.14	22.18	22.02	22.04	1,143,261	-0.13(-0.58%)
Jul 06, 2012	22.00	22.25	21.97	22.17	1,969,181	+0.39(+1.79%)
Jul 05, 2012	21.80	21.87	21.76	21.78	2,158,676	+0.74(+3.52%)
Jul 03, 2012	21.20	21.21	21.00	21.04	838,859	-0.10(-0.47%)
Jul 02, 2012	21.09	21.19	21.07	21.14	1,242,370	+0.24(+1.15%)
Jun 29, 2012	20.83	20.94	20.78	20.90	3,129,122	-0.72(-3.33%)
Jun 28, 2012	21.68	21.75	21.61	21.62	1,636,238	+0.06(+0.28%)
Jun 27, 2012	21.53	21.64	21.51	21.56	1,300,878	+0.08(+0.37%)
Jun 26, 2012	21.53	21.66	21.44	21.48	1,693,428	+0.03(+0.14%)
Jun 25, 2012	21.49	21.54	21.44	21.45	1,532,878	+0.20(+0.94%)
Jun 22, 2012	21.20	21.38	21.18	21.25	2,211,784	-0.05(-0.23%)
Jun 21, 2012	20.95	21.35	20.94	21.30	2,912,980	+0.45(+2.16%)
Jun 20, 2012	20.80	20.99	20.65	20.85	2,963,435	+0.00(+0.00%)
Jun 19, 2012	20.99	21.01	20.69	20.85	2,660,436	-0.37(-1.74%)
Jun 18, 2012	21.15	21.28	21.11	21.22	2,235,560	+0.27(+1.29%)
Jun 15, 2012	21.10	21.14	20.93	20.95	2,379,762	-0.12(-0.57%)
Jun 14, 2012	21.24	21.26	21.02	21.07	2,026,558	-0.15(-0.71%)
Jun 13, 2012	21.38	21.43	21.10	21.22	2,425,729	-0.23(-1.07%)
Jun 12, 2012	21.51	21.68	21.42	21.45	2,071,819	-0.09(-0.42%)
Jun 11, 2012	21.28	21.55	21.26	21.54	2,713,770	+0.06(+0.28%)
Jun 08, 2012	21.66	21.69	21.42	21.48	3,113,226	+0.23(+1.08%)
Jun 07, 2012	21.07	21.33	21.05	21.25	3,464,366	+0.03(+0.14%)
Jun 06, 2012	21.59	21.61	21.19	21.22	4,838,567	-0.43(-1.99%)
Jun 05, 2012	21.67	21.75	21.59	21.65	2,442,640	+0.16(+0.74%)
Jun 04, 2012	21.58	21.59	21.46	21.49	3,401,542	-0.27(-1.24%)
Jun 01, 2012	21.85	21.99	21.64	21.76	6,204,703	-0.22(-1.00%)
May 31, 2012	21.87	22.08	21.86	21.98	2,800,238	+0.01(+0.05%)
May 30, 2012	21.76	21.98	21.74	21.97	3,026,641	+0.45(+2.09%)
May 29, 2012	21.38	21.64	21.34	21.52	2,918,653	+0.04(+0.19%)
May 25, 2012	21.44	21.49	21.35	21.48	2,731,646	+0.06(+0.28%)
May 24, 2012	21.20	21.44	21.15	21.42	4,175,942	+0.24(+1.13%)
May 23, 2012	20.95	21.35	20.95	21.18	6,236,098	+0.26(+1.24%)
May 22, 2012	20.64	20.98	20.59	20.92	3,087,448	+0.46(+2.25%)
May 21, 2012	20.74	20.76	20.44	20.46	3,555,836	-0.15(-0.73%)
May 18, 2012	20.81	20.85	20.57	20.61	3,417,764	-0.23(-1.10%)
May 17, 2012	20.84	20.93	20.74	20.84	3,537,844	-0.02(-0.10%)
May 16, 2012	20.74	20.90	20.67	20.86	5,095,652	+0.08(+0.38%)
May 15, 2012	20.56	20.79	20.54	20.78	4,171,662	+0.35(+1.71%)
May 14, 2012	20.42	20.47	20.36	20.43	3,679,703	+0.28(+1.39%)
May 11, 2012	20.17	20.18	20.05	20.15	1,412,554	+0.05(+0.25%)
May 10, 2012	20.03	20.10	19.98	20.10	1,402,106	+0.00(+0.00%)
May 09, 2012	20.09	20.20	20.01	20.10	3,302,741	+0.21(+1.06%)
May 08, 2012	19.91	19.98	19.79	19.89	3,265,198	+0.14(+0.71%)
May 07, 2012	19.77	19.81	19.73	19.75	1,990,779	+0.10(+0.51%)
May 04, 2012	19.47	19.68	19.39	19.65	2,134,836	+0.18(+0.92%)
May 03, 2012	19.44	19.50	19.38	19.47	1,040,257	+0.02(+0.10%)
May 02, 2012	19.50	19.53	19.42	19.45	1,076,374	+0.23(+1.20%)

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