Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.44	20.55	20.44	20.55	3,616	+0.02(+0.10%)
May 23, 2011	20.48	20.55	20.48	20.52	46,612	+0.15(+0.73%)
May 20, 2011	20.38	20.38	20.38	20.38	1,770	-0.04(-0.21%)
May 19, 2011	20.30	20.42	20.30	20.42	10,113	-0.02(-0.09%)
May 18, 2011	20.49	20.49	20.41	20.44	2,196	-0.12(-0.56%)
May 17, 2011	20.53	20.58	20.53	20.55	3,077	+0.09(+0.42%)
May 16, 2011	20.38	20.47	20.34	20.47	6,549	+0.11(+0.53%)
May 13, 2011	20.36	20.36	20.36	20.36	369	+0.20(+0.98%)
May 12, 2011	20.33	20.33	20.16	20.16	4,962	-0.15(-0.74%)
May 11, 2011	20.21	20.34	20.19	20.31	9,165	+0.05(+0.25%)
May 10, 2011	20.30	20.32	20.24	20.26	4,736	-0.06(-0.29%)
May 09, 2011	20.31	20.33	20.31	20.32	3,722	+0.10(+0.50%)
May 06, 2011	20.20	20.23	20.20	20.22	7,158	-0.17(-0.83%)
May 05, 2011	20.39	20.39	20.39	20.39	3,335	+0.17(+0.84%)
May 04, 2011	20.21	20.25	20.20	20.22	19,625	+0.10(+0.51%)
May 03, 2011	20.14	20.14	20.12	20.12	1,389	+0.14(+0.70%)
May 02, 2011	19.98	19.98	19.98	19.98	20,034	-0.01(-0.03%)
Apr 29, 2011	19.95	19.98	19.95	19.98	6,554	+0.05(+0.25%)
Apr 28, 2011	19.92	19.95	19.91	19.93	3,346	+0.00(+0.01%)
Apr 27, 2011	19.93	19.93	19.93	19.93	337	-0.06(-0.29%)
Apr 26, 2011	19.89	20.00	19.89	19.99	6,113	+0.22(+1.14%)
Apr 25, 2011	19.76	19.76	19.76	19.76	557	+0.00(+0.00%)
Apr 21, 2011	19.80	19.83	19.76	19.76	27,546	-0.05(-0.25%)
Apr 20, 2011	19.85	19.87	19.79	19.81	2,119	-0.05(-0.28%)
Apr 19, 2011	19.82	19.87	19.82	19.87	4,958	+0.07(+0.35%)
Apr 18, 2011	19.81	19.82	19.80	19.80	7,530	+0.06(+0.29%)
Apr 15, 2011	19.70	19.76	19.66	19.74	5,499	+0.18(+0.91%)
Apr 14, 2011	19.54	19.58	19.54	19.56	3,115	+0.09(+0.45%)
Apr 13, 2011	19.52	19.52	19.48	19.48	3,597	-0.02(-0.11%)
Apr 12, 2011	19.50	19.50	19.49	19.50	1,851	+0.24(+1.27%)
Apr 11, 2011	19.25	19.34	19.25	19.25	4,520	-0.02(-0.11%)
Apr 08, 2011	19.26	19.28	19.22	19.28	227,159	-0.03(-0.15%)
Apr 07, 2011	19.38	19.39	18.33	19.30	64,171	-0.13(-0.66%)
Apr 06, 2011	19.59	19.59	19.39	19.43	259,690	-0.19(-0.99%)
Apr 05, 2011	19.67	19.68	19.60	19.63	4,356	-0.05(-0.25%)
Apr 04, 2011	19.74	19.74	19.68	19.68	1,690	-0.03(-0.13%)
Apr 01, 2011	19.54	19.70	19.54	19.70	3,477	+0.10(+0.51%)
Mar 31, 2011	19.70	19.71	19.59	19.60	26,320	-0.02(-0.09%)
Mar 30, 2011	19.60	19.63	19.60	19.62	2,457	+0.06(+0.31%)
Mar 29, 2011	19.58	19.58	19.55	19.56	5,409	-0.08(-0.42%)
Mar 28, 2011	19.60	19.64	19.60	19.64	4,600	+0.05(+0.24%)
Mar 25, 2011	19.65	19.65	19.60	19.60	3,850	-0.12(-0.62%)
Mar 24, 2011	19.76	19.76	19.71	19.72	8,236	-0.13(-0.67%)
Mar 23, 2011	19.86	19.86	19.85	19.85	3,638	-0.00(-0.02%)
Mar 22, 2011	19.85	19.85	19.85	19.85	1,550	+0.05(+0.27%)
Mar 21, 2011	19.85	19.85	19.80	19.80	2,728	-0.04(-0.18%)
Mar 18, 2011	19.77	19.89	19.77	19.84	5,569	-0.09(-0.45%)
Mar 17, 2011	19.86	19.94	19.82	19.92	4,021	-0.08(-0.40%)
Mar 16, 2011	19.91	20.11	19.89	20.00	8,362	+0.28(+1.42%)
Mar 15, 2011	19.75	19.77	19.59	19.72	18,199	+0.14(+0.71%)
Mar 14, 2011	19.55	19.64	19.55	19.59	5,009	+0.03(+0.16%)
Mar 11, 2011	19.64	19.64	19.51	19.55	13,357	-0.06(-0.31%)
Mar 10, 2011	19.44	19.61	19.42	19.61	12,979	+0.23(+1.20%)
Mar 09, 2011	19.27	19.40	19.27	19.38	9,296	+0.20(+1.07%)
Mar 08, 2011	19.29	19.29	19.18	19.18	1,572	-0.18(-0.92%)
Mar 07, 2011	19.21	19.40	19.21	19.35	15,576	-0.02(-0.10%)
Mar 04, 2011	19.25	19.41	19.25	19.37	172,497	+0.11(+0.56%)
Mar 03, 2011	19.32	19.32	19.23	19.27	42,367	-0.21(-1.08%)
Mar 02, 2011	19.47	19.48	19.47	19.48	3,582	-0.07(-0.35%)

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