Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.68	20.74	20.08	20.23	966,906	-0.42(-2.03%)
Apr 28, 2011	20.47	20.75	20.43	20.65	500,021	+0.12(+0.60%)
Apr 27, 2011	20.12	20.58	20.06	20.53	701,196	+0.41(+2.04%)
Apr 26, 2011	19.91	20.12	19.83	20.12	552,990	+0.20(+1.01%)
Apr 25, 2011	19.86	19.97	19.84	19.91	549,915	+0.14(+0.71%)
Apr 21, 2011	19.63	19.82	19.49	19.77	751,486	+0.18(+0.89%)
Apr 20, 2011	19.74	19.85	19.51	19.60	557,920	+0.05(+0.27%)
Apr 19, 2011	19.70	19.86	19.41	19.55	631,583	-0.15(-0.75%)
Apr 18, 2011	19.99	20.12	19.68	19.70	1,900,464	-0.43(-2.13%)
Apr 15, 2011	20.09	20.20	19.76	20.12	10,915,955	-0.37(-1.79%)
Apr 14, 2011	20.34	20.68	20.17	20.49	433,390	+0.01(+0.04%)
Apr 13, 2011	20.53	20.71	20.28	20.48	254,651	-0.04(-0.21%)
Apr 12, 2011	20.30	20.68	20.15	20.53	211,557	-0.50(-2.37%)
Apr 11, 2011	20.90	21.10	20.90	21.03	93,678	+0.03(+0.13%)
Apr 08, 2011	21.13	21.17	20.77	21.00	130,478	-0.04(-0.17%)
Apr 07, 2011	21.37	21.57	21.02	21.03	79,370	-0.38(-1.76%)
Apr 06, 2011	21.55	21.55	21.17	21.41	103,279	-0.13(-0.61%)
Apr 05, 2011	21.50	21.67	21.33	21.54	125,633	-0.06(-0.28%)
Apr 04, 2011	21.74	21.83	21.17	21.60	244,700	-0.52(-2.33%)
Apr 01, 2011	22.43	22.43	22.00	22.12	45,777	-0.20(-0.90%)
Mar 31, 2011	22.06	22.37	22.01	22.32	101,310	+0.20(+0.91%)
Mar 30, 2011	22.00	22.17	21.94	22.12	96,622	+0.05(+0.24%)
Mar 29, 2011	22.00	22.18	21.83	22.07	41,662	+0.03(+0.12%)
Mar 28, 2011	22.35	22.49	21.93	22.04	37,143	-0.32(-1.45%)
Mar 25, 2011	21.87	22.58	21.83	22.36	135,294	+0.45(+2.08%)
Mar 24, 2011	22.08	22.09	21.84	21.91	40,662	-0.05(-0.24%)
Mar 23, 2011	22.20	22.38	21.89	21.96	92,650	-0.34(-1.53%)
Mar 22, 2011	22.20	22.43	22.20	22.30	51,907	-0.02(-0.08%)
Mar 21, 2011	22.36	22.37	22.08	22.32	67,809	+0.05(+0.24%)
Mar 18, 2011	21.66	22.29	21.51	22.27	246,440	+0.68(+3.16%)
Mar 17, 2011	21.80	21.87	21.38	21.59	87,211	-0.07(-0.32%)
Mar 16, 2011	21.88	21.90	21.59	21.66	92,904	-0.32(-1.47%)
Mar 15, 2011	21.87	22.07	21.74	21.98	113,836	-0.20(-0.91%)
Mar 14, 2011	21.88	22.24	21.66	22.18	100,938	+0.13(+0.60%)
Mar 11, 2011	21.65	22.26	21.65	22.05	111,476	+0.18(+0.80%)
Mar 10, 2011	22.13	22.19	21.72	21.87	155,334	-0.26(-1.19%)
Mar 09, 2011	22.04	22.35	22.04	22.14	167,125	+0.10(+0.44%)
Mar 08, 2011	22.02	22.22	21.94	22.04	92,817	+0.00(+0.00%)
Mar 07, 2011	22.49	22.58	21.83	22.04	80,779	-0.44(-1.95%)
Mar 04, 2011	22.59	22.59	22.35	22.48	53,760	-0.13(-0.58%)
Mar 03, 2011	22.67	22.92	22.44	22.61	82,328	-0.01(-0.04%)
Mar 02, 2011	22.43	22.63	22.25	22.62	72,998	+0.23(+1.02%)
Mar 01, 2011	22.50	22.52	22.24	22.39	69,897	-0.15(-0.66%)
Feb 28, 2011	22.47	22.57	22.22	22.54	52,844	+0.12(+0.55%)
Feb 25, 2011	21.94	22.55	21.80	22.42	62,845	+0.49(+2.23%)
Feb 24, 2011	21.97	22.01	21.75	21.93	92,041	-0.11(-0.48%)
Feb 23, 2011	22.28	22.43	21.99	22.03	67,198	-0.37(-1.64%)
Feb 22, 2011	22.35	22.74	22.35	22.40	106,162	-0.18(-0.78%)
Feb 18, 2011	22.55	22.64	22.47	22.57	69,513	+0.03(+0.12%)
Feb 17, 2011	22.36	22.59	22.35	22.55	40,568	+0.11(+0.47%)
Feb 16, 2011	22.28	22.48	22.27	22.44	27,098	+0.19(+0.87%)
Feb 15, 2011	21.99	22.27	21.98	22.25	39,085	+0.17(+0.75%)
Feb 14, 2011	21.89	22.28	21.87	22.08	52,333	+0.17(+0.76%)
Feb 11, 2011	21.96	22.03	21.88	21.92	59,013	-0.13(-0.60%)
Feb 10, 2011	22.31	22.36	21.87	22.05	100,997	-0.38(-1.68%)
Feb 09, 2011	21.87	22.70	21.46	22.43	178,395	-0.31(-1.35%)
Feb 08, 2011	22.20	22.73	22.09	22.73	149,054	+0.45(+2.00%)
Feb 07, 2011	22.01	22.31	21.79	22.29	69,322	+0.23(+1.03%)
Feb 04, 2011	21.90	22.27	21.62	22.06	118,831	+0.08(+0.36%)
Feb 03, 2011	21.22	22.03	21.22	21.98	107,061	+0.69(+3.25%)
Feb 02, 2011	21.51	21.55	21.22	21.29	38,086	-0.32(-1.46%)

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