Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	23.18	23.41	23.14	23.26	1,607,687	+0.12(+0.50%)
Apr 28, 2011	23.43	23.45	23.00	23.14	2,596,630	-0.31(-1.31%)
Apr 27, 2011	23.68	23.68	23.20	23.45	1,925,445	-0.25(-1.04%)
Apr 26, 2011	23.90	23.98	23.51	23.70	2,025,093	-0.08(-0.32%)
Apr 25, 2011	24.26	24.34	23.62	23.77	4,839,555	+0.27(+1.14%)
Apr 21, 2011	23.47	23.63	23.24	23.50	2,486,465	+0.33(+1.42%)
Apr 20, 2011	23.09	23.21	22.96	23.17	2,235,334	+0.45(+1.99%)
Apr 19, 2011	22.45	22.73	22.45	22.72	1,856,782	+0.31(+1.40%)
Apr 18, 2011	22.71	22.79	22.28	22.41	2,133,607	-0.66(-2.86%)
Apr 15, 2011	23.22	23.44	23.01	23.07	2,148,803	+0.02(+0.10%)
Apr 14, 2011	22.80	23.07	22.68	23.04	1,342,202	+0.03(+0.13%)
Apr 13, 2011	23.12	23.22	22.78	23.01	1,279,775	+0.05(+0.23%)
Apr 12, 2011	22.92	23.16	22.86	22.96	1,340,696	-0.11(-0.50%)
Apr 11, 2011	23.37	23.44	22.98	23.07	1,255,368	-0.21(-0.92%)
Apr 08, 2011	23.99	24.06	23.22	23.29	949,449	-0.51(-2.16%)
Apr 07, 2011	24.03	24.26	23.76	23.80	1,598,627	-0.23(-0.96%)
Apr 06, 2011	24.13	24.41	23.94	24.03	1,242,353	-0.02(-0.06%)
Apr 05, 2011	23.70	24.16	23.65	24.05	1,193,690	+0.28(+1.16%)
Apr 04, 2011	23.86	23.90	23.61	23.77	965,464	-0.05(-0.23%)
Apr 01, 2011	23.69	24.09	23.69	23.83	2,028,161	+0.36(+1.54%)
Mar 31, 2011	23.04	23.58	22.99	23.47	2,886,957	+0.36(+1.56%)
Mar 30, 2011	22.86	23.19	22.76	23.11	2,697,007	+0.36(+1.58%)
Mar 29, 2011	22.49	22.78	22.35	22.75	1,489,252	+0.25(+1.09%)
Mar 28, 2011	22.83	22.85	22.40	22.50	1,458,664	-0.30(-1.31%)
Mar 25, 2011	22.68	22.85	22.58	22.80	2,550,621	+0.24(+1.05%)
Mar 24, 2011	22.74	22.78	22.41	22.56	2,639,963	-0.04(-0.17%)
Mar 23, 2011	22.70	22.73	22.39	22.60	2,100,609	-0.15(-0.67%)
Mar 22, 2011	23.24	23.27	22.60	22.75	2,059,559	-0.49(-2.11%)
Mar 21, 2011	23.39	23.43	23.22	23.24	1,048,363	+0.44(+1.95%)
Mar 18, 2011	23.09	23.11	22.71	22.80	1,605,872	+0.09(+0.41%)
Mar 17, 2011	23.26	23.30	22.62	22.71	1,709,534	-0.19(-0.84%)
Mar 16, 2011	22.98	23.10	22.69	22.90	2,263,947	-0.19(-0.83%)
Mar 15, 2011	23.01	23.29	23.00	23.09	1,882,363	-0.07(-0.30%)
Mar 14, 2011	23.27	23.51	22.98	23.16	1,700,934	-0.38(-1.63%)
Mar 11, 2011	23.08	23.67	23.08	23.54	1,872,323	+0.39(+1.69%)
Mar 10, 2011	23.64	23.69	23.01	23.15	2,923,905	-0.86(-3.58%)
Mar 09, 2011	24.52	24.62	23.99	24.01	3,141,350	-1.12(-4.46%)
Mar 08, 2011	24.67	25.28	24.45	25.13	1,287,933	+0.51(+2.09%)
Mar 07, 2011	25.20	25.43	24.50	24.62	1,481,202	-0.54(-2.13%)
Mar 04, 2011	25.45	25.46	24.88	25.15	1,880,462	+0.05(+0.21%)
Mar 03, 2011	24.49	25.53	24.49	25.10	1,978,716	+0.90(+3.71%)
Mar 02, 2011	23.98	24.29	23.94	24.20	853,491	+0.17(+0.70%)
Mar 01, 2011	24.57	24.72	23.92	24.03	1,037,399	-0.43(-1.76%)
Feb 28, 2011	24.64	24.78	24.40	24.46	1,507,641	+0.02(+0.06%)
Feb 25, 2011	24.26	24.47	24.09	24.45	1,592,326	+0.32(+1.34%)
Feb 24, 2011	23.93	24.22	23.83	24.13	2,263,873	+0.21(+0.90%)
Feb 23, 2011	24.50	24.68	23.77	23.91	1,766,418	-0.52(-2.13%)
Feb 22, 2011	24.59	24.87	24.42	24.43	1,882,521	-0.47(-1.87%)
Feb 18, 2011	24.76	24.97	24.76	24.90	1,882,411	+0.08(+0.31%)
Feb 17, 2011	24.81	24.93	24.68	24.82	1,095,910	-0.07(-0.28%)
Feb 16, 2011	24.86	25.02	24.74	24.89	1,038,893	+0.08(+0.31%)
Feb 15, 2011	24.95	25.00	24.55	24.81	1,287,187	-0.25(-1.00%)
Feb 14, 2011	25.36	25.36	24.98	25.07	1,661,975	-0.32(-1.26%)
Feb 11, 2011	25.35	25.47	25.29	25.39	1,641,173	+0.01(+0.03%)
Feb 10, 2011	25.29	25.56	25.23	25.38	1,912,324	-0.14(-0.54%)
Feb 09, 2011	25.54	25.64	25.33	25.52	1,521,902	-0.11(-0.45%)
Feb 08, 2011	25.62	25.65	25.41	25.63	1,486,207	+0.06(+0.24%)
Feb 07, 2011	25.65	26.08	25.55	25.57	2,039,486	-0.09(-0.36%)
Feb 04, 2011	25.06	25.68	24.59	25.66	2,036,462	+0.65(+2.59%)
Feb 03, 2011	24.40	25.08	24.40	25.01	3,360,650	+0.72(+2.95%)
Feb 02, 2011	24.12	24.42	23.92	24.29	1,452,731	+0.02(+0.09%)
Feb 01, 2011	24.10	24.36	23.99	24.27	1,794,520	+0.33(+1.37%)
Jan 31, 2011	23.55	23.96	23.42	23.94	2,391,766	+0.45(+1.92%)
Jan 28, 2011	24.16	24.16	23.35	23.49	3,321,869	-0.60(-2.50%)
Jan 27, 2011	24.83	24.83	23.70	24.10	6,353,881	-1.63(-6.32%)
Jan 26, 2011	25.88	26.16	25.51	25.72	2,171,268	-0.11(-0.41%)
Jan 25, 2011	25.32	25.84	25.32	25.83	1,591,788	+0.38(+1.50%)
Jan 24, 2011	25.04	25.48	24.81	25.45	1,599,869	+0.36(+1.43%)
Jan 21, 2011	25.32	25.40	24.75	25.09	1,680,385	+0.03(+0.12%)
Jan 20, 2011	25.16	25.39	24.82	25.06	2,323,500	-0.15(-0.61%)
Jan 19, 2011	26.01	26.06	25.12	25.21	3,322,964	-0.63(-2.45%)
Jan 18, 2011	25.20	25.85	25.20	25.84	1,600,728	+0.61(+2.42%)
Jan 14, 2011	25.08	25.26	25.02	25.23	1,184,496	+0.13(+0.52%)
Jan 13, 2011	25.10	25.25	25.05	25.10	1,355,505	-0.07(-0.27%)
Jan 12, 2011	24.96	25.29	24.81	25.17	1,817,330	+0.46(+1.85%)
Jan 11, 2011	24.49	24.86	24.46	24.71	1,788,162	+0.30(+1.22%)
Jan 10, 2011	24.08	24.50	23.84	24.42	1,425,347	+0.19(+0.79%)
Jan 07, 2011	24.26	24.43	24.14	24.23	1,944,525	-0.03(-0.13%)
Jan 06, 2011	24.16	24.34	24.00	24.26	1,881,111	+0.14(+0.57%)
Jan 05, 2011	23.20	24.15	23.14	24.12	2,145,217	+0.87(+3.74%)
Jan 04, 2011	23.63	23.63	23.07	23.25	1,277,021	-0.39(-1.65%)
Jan 03, 2011	23.59	23.79	23.48	23.64	1,124,342	+0.27(+1.18%)
Dec 31, 2010	23.55	23.59	23.31	23.36	611,545	-0.23(-0.97%)
Dec 30, 2010	23.58	23.65	23.55	23.59	810,482	+0.02(+0.06%)
Dec 29, 2010	23.65	23.70	23.42	23.58	776,339	-0.08(-0.32%)
Dec 28, 2010	23.66	23.68	23.48	23.65	965,942	+0.08(+0.32%)
Dec 27, 2010	23.53	23.62	23.45	23.58	445,660	-0.02(-0.06%)
Dec 23, 2010	23.49	23.67	23.49	23.59	685,458	+0.02(+0.10%)
Dec 22, 2010	23.51	23.62	23.39	23.57	807,663	+0.04(+0.16%)
Dec 21, 2010	23.31	23.54	23.21	23.53	2,678,284	+0.37(+1.62%)
Dec 20, 2010	23.26	23.35	23.04	23.16	1,176,401	-0.07(-0.30%)
Dec 17, 2010	23.11	23.30	22.96	23.23	1,843,370	+0.16(+0.69%)
Dec 16, 2010	23.12	23.15	22.74	23.07	2,266,651	-0.07(-0.30%)
Dec 15, 2010	23.30	23.55	23.06	23.13	1,354,846	-0.21(-0.88%)
Dec 14, 2010	23.07	23.44	23.07	23.34	1,246,712	+0.31(+1.36%)
Dec 13, 2010	23.15	23.23	23.02	23.03	936,201	-0.03(-0.13%)
Dec 10, 2010	23.12	23.15	22.89	23.06	1,153,957	+0.02(+0.10%)
Dec 09, 2010	23.06	23.20	22.94	23.03	1,175,433	+0.21(+0.90%)
Dec 08, 2010	22.73	22.93	22.65	22.83	921,692	+0.13(+0.57%)
Dec 07, 2010	22.91	22.94	22.66	22.70	1,996,014	+0.08(+0.34%)
Dec 06, 2010	22.61	22.90	22.61	22.62	1,698,152	-0.10(-0.44%)
Dec 03, 2010	22.64	22.77	22.32	22.72	1,466,144	-0.06(-0.27%)
Dec 02, 2010	22.05	22.99	22.02	22.78	3,393,141	+0.78(+3.54%)
Dec 01, 2010	21.55	22.01	21.45	22.00	1,548,940	+0.84(+3.97%)
Nov 30, 2010	21.10	21.25	20.94	21.16	1,239,955	-0.21(-0.96%)
Nov 29, 2010	21.09	21.40	20.81	21.37	1,212,431	+0.11(+0.50%)
Nov 26, 2010	21.22	21.42	21.12	21.26	341,145	-0.21(-1.00%)
Nov 24, 2010	20.91	21.48	21.48	21.48	1,052,807	+0.77(+3.72%)
Nov 23, 2010	20.60	20.77	20.37	20.71	1,152,579	-0.18(-0.84%)
Nov 22, 2010	20.55	20.98	20.55	20.88	965,098	+0.24(+1.18%)
Nov 19, 2010	20.82	20.93	20.50	20.64	2,246,232	-0.29(-1.38%)
Nov 18, 2010	20.73	21.11	20.73	20.93	1,578,368	+0.42(+2.04%)
Nov 17, 2010	20.52	20.59	20.42	20.51	1,184,317	-0.01(-0.04%)
Nov 16, 2010	20.77	20.84	20.25	20.52	1,616,220	-0.44(-2.10%)
Nov 15, 2010	21.13	21.18	20.95	20.96	1,192,470	-0.03(-0.14%)
Nov 12, 2010	20.98	21.08	20.71	20.99	1,180,480	-0.14(-0.68%)
Nov 11, 2010	20.86	21.21	20.79	21.13	1,020,000	+0.02(+0.07%)
Nov 10, 2010	20.95	21.15	20.83	21.12	981,082	+0.13(+0.62%)
Nov 09, 2010	21.39	21.44	20.90	20.99	929,162	-0.37(-1.74%)
Nov 08, 2010	21.47	21.56	21.20	21.36	894,945	-0.23(-1.06%)
Nov 05, 2010	21.40	21.64	21.39	21.59	2,609,700	+0.05(+0.25%)
Nov 04, 2010	21.49	21.54	21.19	21.53	2,889,650	+0.37(+1.76%)
Nov 03, 2010	21.02	21.19	20.85	21.16	2,771,793	+0.19(+0.91%)
Nov 02, 2010	21.01	21.08	20.84	20.97	2,097,556	+0.22(+1.06%)
Nov 01, 2010	20.84	21.19	20.64	20.75	2,784,782	+0.15(+0.74%)
Oct 29, 2010	20.65	20.85	20.53	20.60	994,129	-0.11(-0.55%)
Oct 28, 2010	20.85	20.96	20.53	20.71	950,132	+0.04(+0.18%)
Oct 27, 2010	20.70	20.84	20.39	20.68	1,282,113	-0.17(-0.84%)
Oct 25, 2010	20.99	21.18	20.80	20.85	1,139,645	+0.06(+0.29%)
Oct 22, 2010	20.71	20.91	20.66	20.79	1,793,181	+0.20(+0.96%)
Oct 21, 2010	20.84	21.20	20.36	20.59	2,959,985	-0.04(-0.18%)
Oct 20, 2010	20.31	20.87	20.31	20.63	3,030,664	+0.46(+2.30%)
Oct 19, 2010	20.20	20.40	19.87	20.17	2,164,352	-0.43(-2.07%)
Oct 18, 2010	20.38	20.64	20.36	20.59	1,370,898	+0.25(+1.23%)
Oct 15, 2010	20.67	20.67	20.08	20.34	1,820,462	-0.17(-0.82%)
Oct 14, 2010	20.74	20.74	20.34	20.51	1,624,830	-0.17(-0.84%)
Oct 13, 2010	20.52	20.78	20.37	20.68	1,341,956	+0.30(+1.49%)
Oct 12, 2010	20.14	20.46	19.90	20.38	1,341,565	+0.17(+0.87%)
Oct 11, 2010	20.15	20.33	20.12	20.20	1,075,045	+0.05(+0.23%)
Oct 08, 2010	20.16	20.21	19.73	20.16	1,523,067	+0.34(+1.73%)
Oct 07, 2010	20.02	20.07	19.73	19.82	1,024,663	-0.09(-0.46%)
Oct 06, 2010	20.01	20.01	19.77	19.91	1,279,445	-0.12(-0.61%)
Oct 05, 2010	19.52	20.06	19.44	20.03	1,506,406	+0.74(+3.86%)
Oct 04, 2010	19.78	19.87	19.03	19.28	1,553,976	-0.52(-2.65%)
Oct 01, 2010	19.81	20.01	19.67	19.81	1,774,976	+0.05(+0.26%)
Sep 30, 2010	19.76	20.14	19.42	19.76	2,708,297	+0.47(+2.42%)
Sep 29, 2010	19.14	19.35	19.06	19.29	903,579	+0.04(+0.20%)
Sep 28, 2010	19.01	19.31	18.67	19.25	876,125	+0.34(+1.81%)
Sep 27, 2010	19.17	19.17	18.84	18.91	820,794	-0.26(-1.35%)
Sep 24, 2010	18.89	19.17	18.81	19.17	903,261	+0.59(+3.15%)
Sep 23, 2010	18.59	19.03	18.40	18.59	163	-0.21(-1.09%)
Sep 22, 2010	18.91	19.18	18.56	18.79	1,319,705	-0.20(-1.04%)
Sep 21, 2010	19.03	19.15	18.90	18.99	1,454,785	-0.07(-0.36%)
Sep 20, 2010	18.72	19.12	18.62	19.06	1,724,851	+0.41(+2.20%)
Sep 17, 2010	18.65	18.84	18.22	18.65	2,402,790	+0.38(+2.08%)
Sep 15, 2010	18.18	18.30	18.01	18.27	1,035,803	+0.02(+0.08%)
Sep 14, 2010	18.36	18.43	18.15	18.25	1,034,563	-0.13(-0.70%)
Sep 13, 2010	18.23	18.49	18.13	18.38	1,048,281	+0.40(+2.20%)
Sep 10, 2010	18.15	18.27	17.92	17.99	823,231	-0.14(-0.80%)
Sep 09, 2010	18.13	18.23	18.00	18.13	1,349,631	+0.32(+1.79%)
Sep 08, 2010	17.74	18.04	17.73	17.81	1,284,603	+0.08(+0.47%)
Sep 07, 2010	18.08	18.15	17.70	17.73	210	-0.53(-2.91%)
Sep 03, 2010	17.79	18.43	17.78	18.26	2,201,854	+0.79(+4.52%)
Sep 02, 2010	17.19	17.54	17.11	17.47	352	+0.27(+1.59%)
Sep 01, 2010	16.71	17.26	16.59	17.20	1,503,133	+0.79(+4.82%)
Aug 31, 2010	16.39	16.69	16.18	16.41	12,659	-0.15(-0.92%)
Aug 30, 2010	16.91	16.98	16.55	16.56	1,108,394	-0.08(-0.50%)
Aug 27, 2010	16.65	17.01	16.47	16.64	1,426,786	+0.02(+0.09%)
Aug 26, 2010	16.83	16.99	16.59	16.63	2,145,709	-0.09(-0.55%)
Aug 25, 2010	16.18	16.79	16.13	16.72	2,032,017	+0.33(+1.99%)
Aug 24, 2010	16.41	16.53	16.08	16.39	263	-0.32(-1.91%)
Aug 23, 2010	17.10	17.29	16.62	16.71	2,458,080	-0.53(-3.09%)
Aug 20, 2010	17.33	17.50	16.96	17.24	1,972,404	-0.27(-1.55%)
Aug 19, 2010	18.00	18.00	17.38	17.51	264	-0.62(-3.42%)
Aug 18, 2010	18.09	18.22	17.90	18.13	1,090,466	-0.02(-0.13%)
Aug 17, 2010	18.04	18.31	17.91	18.16	1,028,402	+0.30(+1.69%)
Aug 16, 2010	17.78	17.97	17.61	17.85	849,707	-0.07(-0.38%)
Aug 13, 2010	17.92	18.14	17.74	17.92	1,938,740	-0.05(-0.29%)
Aug 12, 2010	17.53	18.06	17.50	17.97	2,102,235	+0.07(+0.38%)
Aug 11, 2010	18.51	18.51	17.85	17.91	2,027,250	-1.06(-5.58%)
Aug 10, 2010	19.18	19.25	18.78	18.96	1,159,693	-0.45(-2.33%)
Aug 09, 2010	19.50	19.55	19.27	19.42	1,025,394	+0.29(+1.50%)
Aug 06, 2010	19.13	19.36	18.81	19.13	1,647,549	-0.50(-2.54%)
Aug 05, 2010	19.75	19.84	19.55	19.63	1,268,207	-0.32(-1.59%)
Aug 04, 2010	19.55	20.02	19.47	19.95	2,455,858	+0.52(+2.68%)
Aug 03, 2010	19.52	19.67	19.36	19.42	1,890,585	-0.11(-0.58%)
Aug 02, 2010	19.38	19.58	19.11	19.54	1,739,477	+0.51(+2.70%)
Jul 30, 2010	19.02	19.11	18.65	19.02	1,478,706	+0.01(+0.04%)
Jul 29, 2010	19.48	19.63	18.93	19.02	1,776,875	-0.34(-1.76%)
Jul 28, 2010	19.36	19.79	19.24	19.36	157	-0.38(-1.91%)
Jul 27, 2010	19.73	20.01	19.68	19.73	109,145	-0.18(-0.91%)
Jul 26, 2010	19.65	19.92	19.55	19.92	1,295,584	+0.26(+1.31%)
Jul 23, 2010	19.39	19.90	19.24	19.66	2,363,250	+0.26(+1.36%)
Jul 22, 2010	18.54	19.45	18.51	19.39	2,785,365	+1.04(+5.68%)
Jul 21, 2010	19.00	19.34	18.18	18.35	2,142,639	-0.23(-1.26%)
Jul 20, 2010	18.59	18.60	17.85	18.59	1,363,441	+0.40(+2.20%)
Jul 19, 2010	18.22	18.41	18.00	18.19	1,700,182	+0.02(+0.12%)
Jul 16, 2010	18.16	18.77	18.11	18.16	1,800,415	-0.70(-3.69%)
Jul 15, 2010	19.08	19.08	18.64	18.86	1,763,601	-0.20(-1.03%)
Jul 14, 2010	19.42	19.47	18.95	19.05	2,864,124	-0.46(-2.36%)
Jul 13, 2010	19.17	19.62	19.14	19.52	1,736,173	+0.47(+2.46%)
Jul 12, 2010	19.06	19.27	18.87	19.05	1,701,290	-0.13(-0.67%)
Jul 09, 2010	19.18	19.22	18.67	19.18	2,062,623	+0.48(+2.55%)
Jul 08, 2010	18.74	18.94	18.51	18.70	1,856,410	+0.11(+0.61%)
Jul 07, 2010	17.75	18.59	17.74	18.59	2,055,056	+0.85(+4.81%)
Jul 06, 2010	17.92	18.23	17.60	17.73	156	+0.11(+0.64%)
Jul 02, 2010	17.62	17.85	17.51	17.62	1,449,482	-0.14(-0.77%)
Jul 01, 2010	17.78	17.96	17.51	17.75	3,005,100	-0.04(-0.21%)
Jun 30, 2010	17.94	18.32	17.72	17.79	840	-0.17(-0.97%)
Jun 29, 2010	18.44	18.45	17.85	17.97	4,038,470	-1.07(-5.63%)
Jun 25, 2010	19.04	19.20	18.77	19.04	3,537,141	+0.17(+0.88%)
Jun 24, 2010	18.84	19.18	18.49	18.87	3,207,608	+0.01(+0.04%)
Jun 23, 2010	18.71	18.96	18.20	18.87	3,245,182	+0.23(+1.26%)
Jun 22, 2010	18.93	19.20	18.59	18.63	3,164,121	-0.29(-1.52%)
Jun 21, 2010	19.31	19.42	18.84	18.92	4,319,441	+0.24(+1.29%)
Jun 18, 2010	18.68	18.70	18.41	18.68	2,381,377	+0.16(+0.86%)
Jun 17, 2010	18.45	18.59	18.12	18.52	2,088,772	+0.08(+0.41%)
Jun 16, 2010	18.38	18.62	18.26	18.44	2,989,160	-0.08(-0.41%)
Jun 15, 2010	18.26	18.56	18.01	18.52	2,386,802	+0.46(+2.55%)
Jun 14, 2010	18.36	18.51	18.04	18.06	1,788,738	-0.18(-0.99%)
Jun 11, 2010	18.04	18.31	18.00	18.24	1,906,223	-0.05(-0.29%)
Jun 10, 2010	17.72	18.29	17.63	18.29	2,836,944	+0.94(+5.40%)
Jun 09, 2010	17.49	17.72	17.28	17.35	3,384,077	-0.01(-0.04%)
Jun 08, 2010	17.55	17.68	17.01	17.36	4,223,711	+0.09(+0.53%)
Jun 07, 2010	17.99	17.99	17.23	17.27	2,635,216	-0.57(-3.18%)
Jun 04, 2010	17.84	18.81	17.79	17.84	3,703,004	-1.23(-6.46%)
Jun 03, 2010	18.96	19.17	18.79	19.07	3,054,453	+0.16(+0.84%)
Jun 02, 2010	18.73	18.91	18.59	18.91	2,851,108	+0.25(+1.34%)
Jun 01, 2010	19.11	19.01	18.57	18.66	2,266,898	-0.45(-2.33%)
May 28, 2010	19.11	19.34	19.04	19.11	2,457,710	-0.24(-1.25%)
May 27, 2010	19.28	19.35	18.99	19.35	1,953,331	+0.49(+2.60%)
May 26, 2010	18.87	19.42	18.77	18.86	2,109,219	+0.10(+0.52%)
May 25, 2010	18.64	18.80	18.28	18.76	3,809,137	-0.46(-2.40%)
May 24, 2010	18.94	19.58	18.92	19.22	2,624,528	+0.15(+0.79%)
May 21, 2010	18.22	19.14	18.19	19.07	4,117,494	+0.41(+2.19%)
May 20, 2010	18.89	19.19	18.66	18.66	2,415,327	-1.26(-6.34%)
May 19, 2010	20.03	20.33	19.65	19.92	1,687,934	-0.25(-1.23%)
May 18, 2010	20.60	20.75	20.11	20.17	1,995	-0.20(-0.96%)
May 17, 2010	20.01	20.42	19.61	20.37	2,832,291	+0.40(+1.99%)
May 14, 2010	19.97	20.57	19.78	19.97	2,835,049	-0.68(-3.28%)
May 13, 2010	20.66	20.92	20.53	20.65	2,336,159	-0.15(-0.72%)
May 12, 2010	20.65	20.95	20.56	20.80	2,226,533	+0.32(+1.54%)
May 11, 2010	20.46	20.80	20.42	20.48	2,837,634	-0.04(-0.18%)
May 10, 2010	20.27	20.54	20.25	20.52	3,783,814	+1.31(+6.81%)
May 07, 2010	19.80	20.10	19.15	19.21	4,737,545	-0.62(-3.15%)
May 06, 2010	20.19	20.57	18.80	19.83	3,560,672	-0.41(-2.04%)
May 05, 2010	20.39	20.69	20.23	20.25	3,651,397	-0.10(-0.48%)
May 04, 2010	20.67	20.69	20.14	20.34	3,749,233	-0.69(-3.29%)

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