Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.31	20.41	20.31	20.41	3,640	+0.02(+0.10%)
May 23, 2011	20.35	20.42	20.35	20.39	46,921	+0.15(+0.73%)
May 20, 2011	20.24	20.24	20.24	20.24	1,782	-0.04(-0.21%)
May 19, 2011	20.17	20.28	20.17	20.28	10,180	-0.02(-0.09%)
May 18, 2011	20.36	20.36	20.27	20.30	2,210	-0.11(-0.56%)
May 17, 2011	20.39	20.44	20.39	20.42	3,097	+0.09(+0.42%)
May 16, 2011	20.24	20.33	20.20	20.33	6,592	+0.11(+0.53%)
May 13, 2011	20.22	20.22	20.22	20.22	372	+0.20(+0.98%)
May 12, 2011	20.20	20.20	20.03	20.03	4,994	-0.15(-0.74%)
May 11, 2011	20.08	20.21	20.06	20.18	9,225	+0.05(+0.25%)
May 10, 2011	20.17	20.19	20.11	20.13	4,768	-0.06(-0.29%)
May 09, 2011	20.17	20.20	20.17	20.18	3,746	+0.10(+0.50%)
May 06, 2011	20.07	20.10	20.07	20.08	7,205	-0.17(-0.83%)
May 05, 2011	20.25	20.26	20.25	20.25	3,357	+0.17(+0.84%)
May 04, 2011	20.07	20.12	20.07	20.08	19,755	+0.10(+0.51%)
May 03, 2011	20.01	20.01	19.98	19.98	1,399	+0.14(+0.70%)
May 02, 2011	19.84	19.84	19.84	19.84	20,167	-0.01(-0.03%)
Apr 29, 2011	19.82	19.85	19.82	19.85	6,597	+0.05(+0.25%)
Apr 28, 2011	19.79	19.82	19.78	19.80	3,368	+0.00(+0.01%)
Apr 27, 2011	19.80	19.80	19.80	19.80	339	-0.06(-0.29%)
Apr 26, 2011	19.76	19.87	19.76	19.86	6,153	+0.22(+1.14%)
Apr 25, 2011	19.63	19.63	19.63	19.63	561	+0.00(+0.00%)
Apr 21, 2011	19.67	19.70	19.63	19.63	27,729	-0.05(-0.25%)
Apr 20, 2011	19.72	19.74	19.66	19.68	2,133	-0.05(-0.28%)
Apr 19, 2011	19.69	19.74	19.69	19.74	4,991	+0.07(+0.35%)
Apr 18, 2011	19.68	19.69	19.67	19.67	7,580	+0.06(+0.29%)
Apr 15, 2011	19.57	19.63	19.53	19.61	5,536	+0.18(+0.91%)
Apr 14, 2011	19.41	19.46	19.41	19.43	3,135	+0.09(+0.45%)
Apr 13, 2011	19.39	19.39	19.35	19.35	3,621	-0.02(-0.11%)
Apr 12, 2011	19.37	19.37	19.36	19.37	1,864	+0.24(+1.27%)
Apr 11, 2011	19.12	19.21	19.12	19.13	4,550	-0.02(-0.11%)
Apr 08, 2011	19.13	19.15	19.09	19.15	228,666	-0.03(-0.15%)
Apr 07, 2011	19.25	19.27	18.21	19.18	64,597	-0.13(-0.66%)
Apr 06, 2011	19.46	19.46	19.27	19.31	261,412	-0.19(-0.99%)
Apr 05, 2011	19.54	19.55	19.47	19.50	4,385	-0.05(-0.25%)
Apr 04, 2011	19.61	19.61	19.55	19.55	1,701	-0.03(-0.13%)
Apr 01, 2011	19.41	19.57	19.41	19.57	3,500	+0.10(+0.51%)
Mar 31, 2011	19.57	19.58	19.46	19.47	26,494	-0.02(-0.09%)
Mar 30, 2011	19.47	19.50	19.47	19.49	2,473	+0.06(+0.31%)
Mar 29, 2011	19.45	19.45	19.42	19.43	5,445	-0.08(-0.42%)
Mar 28, 2011	19.47	19.51	19.47	19.51	4,631	+0.05(+0.24%)
Mar 25, 2011	19.52	19.52	19.47	19.47	3,876	-0.12(-0.62%)
Mar 24, 2011	19.63	19.63	19.58	19.59	8,290	-0.13(-0.67%)
Mar 23, 2011	19.73	19.73	19.72	19.72	3,662	-0.00(-0.02%)
Mar 22, 2011	19.72	19.72	19.72	19.72	1,560	+0.05(+0.27%)
Mar 21, 2011	19.72	19.72	19.67	19.67	2,746	-0.04(-0.18%)
Mar 18, 2011	19.64	19.75	19.64	19.70	5,606	-0.09(-0.45%)
Mar 17, 2011	19.73	19.81	19.69	19.79	4,048	-0.08(-0.40%)
Mar 16, 2011	19.78	19.98	19.76	19.87	8,417	+0.28(+1.42%)
Mar 15, 2011	19.62	19.64	19.46	19.59	18,319	+0.14(+0.71%)
Mar 14, 2011	19.42	19.51	19.42	19.46	5,042	+0.03(+0.16%)
Mar 11, 2011	19.51	19.51	19.38	19.42	13,446	-0.06(-0.31%)
Mar 10, 2011	19.31	19.48	19.29	19.48	13,065	+0.23(+1.20%)
Mar 09, 2011	19.14	19.27	19.14	19.25	9,358	+0.20(+1.07%)
Mar 08, 2011	19.16	19.16	19.05	19.05	1,583	-0.18(-0.92%)
Mar 07, 2011	19.08	19.28	19.08	19.23	15,680	-0.02(-0.10%)
Mar 04, 2011	19.13	19.28	19.13	19.25	173,641	+0.11(+0.56%)
Mar 03, 2011	19.19	19.19	19.10	19.14	42,648	-0.21(-1.08%)
Mar 02, 2011	19.34	19.35	19.34	19.35	3,605	-0.07(-0.35%)

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