Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.35	21.44	21.31	21.33	7,045,146	-0.02(-0.09%)
May 23, 2011	21.40	21.57	21.34	21.35	9,515,111	-0.25(-1.17%)
May 20, 2011	21.61	21.71	21.50	21.60	7,069,581	-0.03(-0.12%)
May 19, 2011	21.58	21.67	21.52	21.62	5,055,147	+0.05(+0.23%)
May 18, 2011	21.63	21.66	21.45	21.57	8,593,962	-0.07(-0.32%)
May 17, 2011	21.43	21.65	21.43	21.64	13,516,745	+0.16(+0.74%)
May 16, 2011	21.51	21.68	21.44	21.49	12,819,456	+0.03(+0.12%)
May 13, 2011	21.61	21.62	21.35	21.46	10,922,874	-0.10(-0.47%)
May 12, 2011	21.35	21.58	21.31	21.56	9,298,423	+0.22(+1.01%)
May 11, 2011	21.42	21.42	21.23	21.35	6,481,982	-0.07(-0.32%)
May 10, 2011	21.21	21.47	21.17	21.42	13,556,457	+0.30(+1.44%)
May 09, 2011	21.04	21.13	20.95	21.11	6,197,967	+0.04(+0.21%)
May 06, 2011	21.16	21.23	20.99	21.07	9,071,183	+0.12(+0.57%)
May 05, 2011	21.07	21.09	20.86	20.95	9,060,416	-0.15(-0.72%)
May 04, 2011	21.12	21.16	20.97	21.10	13,662,631	-0.03(-0.12%)
May 03, 2011	21.00	21.27	20.92	21.12	25,948,638	+0.13(+0.63%)
May 02, 2011	20.99	21.00	20.97	20.99	8,769,611	+0.01(+0.03%)
Apr 29, 2011	20.92	21.00	20.86	20.99	13,805,920	+0.04(+0.21%)
Apr 28, 2011	20.74	20.96	20.73	20.94	10,682,761	+0.18(+0.88%)
Apr 27, 2011	20.66	20.80	20.61	20.76	9,651,534	+0.16(+0.80%)
Apr 26, 2011	20.44	20.62	20.44	20.59	8,341,146	+0.16(+0.81%)
Apr 25, 2011	20.41	20.47	20.36	20.43	3,958,629	+0.03(+0.12%)
Apr 21, 2011	20.40	20.42	20.33	20.40	6,424,455	+0.00(+0.00%)
Apr 20, 2011	20.31	20.42	20.28	20.40	9,274,024	+0.26(+1.29%)
Apr 19, 2011	20.18	20.18	20.08	20.14	8,939,659	+0.01(+0.03%)
Apr 18, 2011	20.19	20.26	20.02	20.14	11,298,435	-0.18(-0.87%)
Apr 15, 2011	20.15	20.38	20.12	20.31	11,316,416	+0.22(+1.10%)
Apr 14, 2011	19.88	20.14	19.87	20.09	9,135,075	+0.12(+0.60%)
Apr 13, 2011	20.00	20.14	19.97	19.97	8,369,462	+0.05(+0.25%)
Apr 12, 2011	19.92	20.02	19.84	19.92	13,480,724	-0.05(-0.25%)
Apr 11, 2011	20.20	20.24	19.93	19.97	14,767,731	-0.27(-1.31%)
Apr 08, 2011	20.39	20.40	20.15	20.24	9,420,597	-0.06(-0.28%)
Apr 07, 2011	20.35	20.38	20.22	20.30	8,438,000	-0.08(-0.40%)
Apr 06, 2011	20.33	20.42	20.26	20.38	5,956,993	+0.15(+0.72%)
Apr 05, 2011	20.31	20.33	20.22	20.23	6,359,454	-0.08(-0.40%)
Apr 04, 2011	20.38	20.38	20.24	20.31	6,279,691	-0.01(-0.06%)
Apr 01, 2011	20.31	20.35	20.22	20.33	9,760,206	+0.16(+0.78%)
Mar 31, 2011	20.21	20.23	20.12	20.17	8,685,133	-0.05(-0.25%)
Mar 30, 2011	20.22	20.30	20.22	20.22	8,845,231	+0.23(+1.16%)
Mar 29, 2011	19.81	20.01	19.75	19.99	8,592,965	+0.19(+0.97%)
Mar 28, 2011	19.88	19.99	19.80	19.80	7,252,561	-0.07(-0.35%)
Mar 25, 2011	19.87	19.95	19.85	19.87	5,381,417	-0.01(-0.03%)
Mar 24, 2011	19.92	19.92	19.74	19.87	9,788,069	+0.08(+0.42%)
Mar 23, 2011	19.78	19.83	19.67	19.79	8,883,408	-0.01(-0.05%)
Mar 22, 2011	19.80	19.90	19.72	19.80	11,485,304	+0.03(+0.14%)
Mar 21, 2011	19.79	19.84	19.76	19.77	8,038,702	+0.23(+1.17%)
Mar 18, 2011	19.66	19.71	19.46	19.54	14,378,941	+0.10(+0.50%)
Mar 17, 2011	19.60	19.61	19.30	19.45	19,187,486	+0.03(+0.15%)
Mar 16, 2011	19.70	19.75	19.26	19.42	24,485,322	-0.31(-1.57%)
Mar 15, 2011	19.74	19.83	19.71	19.73	22,717,598	-0.38(-1.90%)
Mar 14, 2011	20.15	20.18	19.97	20.11	30,276,678	-0.27(-1.32%)
Mar 11, 2011	20.30	20.45	20.27	20.38	8,029,484	+0.05(+0.22%)
Mar 10, 2011	20.45	20.50	20.32	20.33	17,303,036	-0.23(-1.14%)
Mar 09, 2011	20.37	20.61	20.34	20.57	20,912,496	+0.21(+1.02%)
Mar 08, 2011	20.20	20.40	20.14	20.36	10,726,281	+0.23(+1.12%)
Mar 07, 2011	20.14	20.29	20.08	20.14	17,241,714	+0.08(+0.39%)
Mar 04, 2011	20.16	20.20	19.91	20.06	11,713,493	-0.12(-0.61%)
Mar 03, 2011	20.05	20.22	20.05	20.18	9,222,673	+0.23(+1.13%)
Mar 02, 2011	19.93	20.01	19.88	19.95	9,191,093	+0.03(+0.17%)

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