Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.50	21.51	21.37	21.38	12,547	-0.11(-0.49%)
May 23, 2011	21.38	21.53	21.38	21.49	43,522	-0.31(-1.44%)
May 20, 2011	21.93	21.93	21.74	21.80	21,143	-0.14(-0.62%)
May 19, 2011	21.92	21.98	21.85	21.94	14,365	+0.06(+0.28%)
May 18, 2011	21.71	21.87	21.62	21.87	18,765	+0.15(+0.69%)
May 17, 2011	21.61	21.74	21.59	21.73	41,724	-0.01(-0.04%)
May 16, 2011	21.92	21.98	21.74	21.74	10,082	-0.31(-1.43%)
May 13, 2011	22.12	22.23	21.99	22.05	27,241	-0.15(-0.66%)
May 12, 2011	21.90	22.20	21.90	22.20	4,156	+0.25(+1.13%)
May 11, 2011	22.17	22.17	21.88	21.95	8,464	-0.18(-0.83%)
May 10, 2011	21.94	22.13	21.94	22.13	10,613	+0.25(+1.14%)
May 09, 2011	21.77	21.91	21.77	21.88	6,856	+0.18(+0.85%)
May 06, 2011	21.83	21.91	21.64	21.70	12,272	+0.10(+0.47%)
May 05, 2011	21.49	21.79	21.49	21.60	36,987	-0.05(-0.21%)
May 04, 2011	21.75	21.76	21.52	21.64	9,432	-0.06(-0.29%)
May 03, 2011	21.89	21.89	21.67	21.71	10,527	-0.21(-0.96%)
May 02, 2011	21.92	22.51	21.88	21.92	28,018	+0.09(+0.41%)
Apr 29, 2011	21.86	21.91	21.83	21.83	13,499	-0.08(-0.37%)
Apr 28, 2011	21.90	21.92	21.80	21.91	7,005	+0.15(+0.71%)
Apr 27, 2011	21.74	21.76	21.70	21.75	2,731	+0.11(+0.51%)
Apr 26, 2011	21.59	21.74	21.57	21.64	5,457	+0.11(+0.53%)
Apr 25, 2011	21.52	21.61	21.47	21.53	6,554	+0.02(+0.10%)
Apr 21, 2011	21.49	21.54	21.45	21.51	10,117	+0.09(+0.41%)
Apr 20, 2011	21.27	21.42	21.27	21.42	3,526	+0.44(+2.08%)
Apr 19, 2011	20.97	20.98	20.87	20.98	6,728	+0.16(+0.79%)
Apr 18, 2011	20.83	20.85	20.63	20.82	7,511	-0.27(-1.27%)
Apr 15, 2011	21.03	21.16	20.98	21.09	9,976	+0.14(+0.69%)
Apr 14, 2011	20.82	20.94	20.82	20.94	6,400	-0.01(-0.03%)
Apr 13, 2011	21.03	21.07	20.84	20.95	13,457	+0.11(+0.53%)
Apr 12, 2011	20.99	20.99	20.79	20.84	17,100	-0.14(-0.66%)
Apr 11, 2011	21.02	21.03	20.94	20.98	2,453	-0.03(-0.13%)
Apr 08, 2011	21.14	21.14	20.93	21.00	8,037	-0.07(-0.35%)
Apr 07, 2011	21.11	21.11	21.07	21.08	1,831	-0.02(-0.09%)
Apr 06, 2011	21.22	21.23	21.01	21.10	17,732	+0.02(+0.09%)
Apr 05, 2011	21.12	21.19	21.05	21.08	45,679	+0.07(+0.34%)
Apr 04, 2011	21.12	21.12	21.01	21.01	2,433	+0.01(+0.06%)
Apr 01, 2011	21.00	21.13	20.97	21.00	11,505	+0.12(+0.57%)
Mar 31, 2011	20.87	20.88	20.77	20.88	7,527	+0.00(+0.01%)
Mar 30, 2011	20.87	20.87	20.70	20.87	6,705	+0.39(+1.89%)
Mar 29, 2011	20.39	20.49	20.39	20.49	1,896	+0.17(+0.85%)
Mar 28, 2011	20.53	20.53	20.31	20.32	4,878	-0.11(-0.53%)
Mar 25, 2011	20.39	20.54	20.35	20.42	27,465	+0.05(+0.24%)
Mar 24, 2011	20.09	20.40	20.09	20.38	69,302	+0.33(+1.62%)
Mar 23, 2011	19.97	20.09	19.79	20.05	21,839	+0.14(+0.69%)
Mar 22, 2011	19.99	20.01	19.91	19.91	4,136	-0.09(-0.43%)
Mar 21, 2011	20.07	20.14	20.00	20.00	2,891	+0.22(+1.14%)
Mar 18, 2011	19.86	19.87	19.76	19.77	10,784	+0.05(+0.23%)
Mar 17, 2011	19.89	19.89	19.69	19.73	7,249	+0.15(+0.75%)
Mar 16, 2011	19.80	19.80	19.53	19.58	4,746	-0.34(-1.72%)
Mar 15, 2011	19.73	19.95	19.71	19.92	20,806	-0.09(-0.46%)
Mar 14, 2011	19.91	20.04	19.89	20.01	4,462	-0.18(-0.92%)
Mar 11, 2011	20.02	20.20	19.90	20.20	13,307	+0.13(+0.64%)
Mar 10, 2011	20.00	20.12	19.98	20.07	3,300	-0.25(-1.23%)
Mar 09, 2011	20.32	20.34	20.18	20.32	7,984	-0.03(-0.14%)
Mar 08, 2011	20.25	20.43	20.13	20.35	8,730	+0.01(+0.05%)
Mar 07, 2011	20.66	20.66	20.24	20.34	3,131	-0.20(-0.95%)
Mar 04, 2011	20.62	20.62	20.43	20.53	5,692	-0.10(-0.49%)
Mar 03, 2011	20.38	20.63	20.38	20.63	8,533	+0.40(+1.97%)
Mar 02, 2011	20.10	20.27	20.10	20.24	2,439	+0.18(+0.89%)

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