Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.07	22.12	21.95	22.06	35,692	-0.04(-0.18%)
May 23, 2011	22.07	22.19	22.07	22.10	44,030	-0.26(-1.18%)
May 20, 2011	22.54	22.60	22.35	22.37	70,877	-0.26(-1.13%)
May 19, 2011	22.74	22.74	22.53	22.62	97,791	-0.02(-0.11%)
May 18, 2011	22.32	22.66	22.31	22.65	110,736	+0.36(+1.61%)
May 17, 2011	22.45	22.47	22.14	22.29	1,484,631	-0.21(-0.92%)
May 16, 2011	22.66	22.86	22.49	22.50	104,358	-0.34(-1.50%)
May 13, 2011	23.10	23.11	22.77	22.84	13,852	-0.34(-1.48%)
May 12, 2011	23.05	23.20	22.97	23.18	58,477	+0.02(+0.10%)
May 11, 2011	23.49	23.50	23.10	23.16	1,501,286	-0.37(-1.56%)
May 10, 2011	23.45	23.55	23.40	23.53	14,244	+0.23(+0.99%)
May 09, 2011	23.23	23.33	23.15	23.29	16,540	+0.05(+0.21%)
May 06, 2011	23.36	23.45	23.20	23.25	59,056	+0.18(+0.80%)
May 05, 2011	23.13	23.21	22.97	23.06	34,998	-0.22(-0.93%)
May 04, 2011	23.52	23.54	23.21	23.28	74,444	-0.25(-1.05%)
May 03, 2011	23.67	23.67	23.42	23.53	55,370	-0.19(-0.81%)
May 02, 2011	23.72	23.73	23.69	23.72	65,108	-0.17(-0.70%)
Apr 29, 2011	23.93	23.96	23.80	23.88	39,671	-0.06(-0.23%)
Apr 28, 2011	23.90	23.94	23.83	23.94	62,909	-0.01(-0.03%)
Apr 27, 2011	23.98	23.98	23.79	23.95	39,304	+0.02(+0.10%)
Apr 26, 2011	23.84	23.97	23.75	23.92	428,512	+0.12(+0.50%)
Apr 25, 2011	23.86	23.86	23.76	23.80	34,501	-0.18(-0.73%)
Apr 21, 2011	23.89	24.03	23.89	23.98	68,816	+0.34(+1.45%)
Apr 20, 2011	23.62	23.66	23.50	23.64	56,864	+0.35(+1.51%)
Apr 19, 2011	23.58	23.58	23.26	23.29	897,713	-0.20(-0.85%)
Apr 18, 2011	23.59	23.59	23.32	23.49	97,067	-0.38(-1.57%)
Apr 15, 2011	23.70	23.90	23.65	23.86	82,582	+0.24(+1.01%)
Apr 14, 2011	23.53	23.63	23.45	23.62	51,004	-0.06(-0.24%)
Apr 13, 2011	23.92	23.96	23.57	23.68	1,469,700	-0.12(-0.50%)
Apr 12, 2011	23.84	23.92	23.76	23.80	36,949	-0.17(-0.70%)
Apr 11, 2011	24.10	24.20	23.92	23.96	14,647	-0.13(-0.53%)
Apr 08, 2011	24.38	24.38	24.03	24.09	30,942	-0.22(-0.89%)
Apr 07, 2011	24.45	24.52	24.31	24.31	43,800	-0.09(-0.36%)
Apr 06, 2011	24.17	24.42	24.17	24.39	35,169	+0.27(+1.12%)
Apr 05, 2011	24.14	24.17	24.02	24.12	180,712	-0.02(-0.10%)
Apr 04, 2011	24.37	24.37	24.15	24.15	73,498	-0.17(-0.69%)
Apr 01, 2011	24.00	24.37	24.00	24.32	107,438	+0.50(+2.11%)
Mar 31, 2011	23.73	23.82	23.70	23.81	106,454	-0.02(-0.07%)
Mar 30, 2011	23.68	23.83	23.68	23.83	44,154	+0.21(+0.88%)
Mar 29, 2011	23.53	23.62	23.45	23.62	80,622	+0.02(+0.10%)
Mar 28, 2011	23.69	23.80	23.59	23.60	145,864	-0.08(-0.33%)
Mar 25, 2011	23.71	23.73	23.59	23.68	51,895	-0.02(-0.09%)
Mar 24, 2011	23.63	23.71	23.53	23.70	229,512	+0.15(+0.64%)
Mar 23, 2011	23.35	23.63	23.29	23.55	262,280	+0.04(+0.17%)
Mar 22, 2011	23.57	23.64	23.51	23.51	26,750	-0.05(-0.20%)
Mar 21, 2011	23.48	23.56	23.44	23.55	76,517	+0.41(+1.79%)
Mar 18, 2011	23.19	23.23	23.11	23.14	95,102	+0.22(+0.97%)
Mar 17, 2011	23.10	23.10	22.80	22.92	342,723	+0.15(+0.67%)
Mar 16, 2011	23.17	23.24	22.68	22.76	117,503	-0.42(-1.82%)
Mar 15, 2011	23.08	23.30	23.03	23.19	986,949	-0.37(-1.59%)
Mar 14, 2011	23.52	23.59	23.28	23.56	144,436	-0.15(-0.64%)
Mar 11, 2011	23.56	23.77	23.53	23.71	292,609	+0.02(+0.07%)
Mar 10, 2011	23.92	23.92	23.65	23.70	221,088	-0.50(-2.07%)
Mar 09, 2011	24.39	24.39	24.09	24.20	25,084	-0.17(-0.69%)
Mar 08, 2011	24.20	24.45	24.19	24.37	172,230	+0.20(+0.82%)
Mar 07, 2011	24.34	24.45	24.04	24.17	57,987	-0.14(-0.56%)
Mar 04, 2011	24.54	24.54	24.14	24.30	54,637	-0.29(-1.17%)
Mar 03, 2011	24.34	24.64	24.34	24.59	41,856	+0.48(+1.98%)
Mar 02, 2011	24.06	24.29	24.02	24.11	55,787	-0.02(-0.07%)

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