Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	18.68	18.68	18.22	18.26	409,839	-0.39(-2.11%)
May 23, 2011	18.98	19.06	18.58	18.66	323,117	-0.52(-2.69%)
May 20, 2011	19.16	19.40	19.01	19.17	306,056	-0.11(-0.59%)
May 19, 2011	19.10	19.31	19.03	19.29	202,956	+0.25(+1.33%)
May 18, 2011	18.71	19.04	18.60	19.03	299,841	+0.34(+1.83%)
May 17, 2011	18.66	18.87	18.47	18.69	668,185	-0.09(-0.47%)
May 16, 2011	19.11	19.18	18.67	18.78	517,518	-0.45(-2.32%)
May 13, 2011	19.60	19.72	19.16	19.23	206,238	-0.39(-2.01%)
May 12, 2011	19.48	19.71	19.35	19.62	189,372	+0.05(+0.27%)
May 11, 2011	19.70	19.82	19.50	19.57	224,891	-0.17(-0.84%)
May 10, 2011	19.56	19.77	19.56	19.73	154,607	+0.22(+1.12%)
May 09, 2011	19.50	19.68	19.33	19.51	171,869	-0.04(-0.18%)
May 06, 2011	19.64	19.77	19.40	19.55	289,436	+0.09(+0.45%)
May 05, 2011	19.68	19.78	19.29	19.46	384,483	-0.28(-1.42%)
May 04, 2011	20.43	20.43	19.69	19.74	375,830	-0.18(-0.88%)
May 03, 2011	20.03	20.23	19.65	19.92	377,935	-0.20(-1.00%)
May 02, 2011	20.21	20.25	20.08	20.12	380,626	-0.11(-0.56%)
Apr 29, 2011	20.69	20.74	20.08	20.23	966,823	-0.42(-2.03%)
Apr 28, 2011	20.47	20.76	20.43	20.65	499,978	+0.12(+0.60%)
Apr 27, 2011	20.13	20.58	20.07	20.53	701,135	+0.41(+2.04%)
Apr 26, 2011	19.91	20.13	19.83	20.12	552,942	+0.20(+1.01%)
Apr 25, 2011	19.86	19.97	19.84	19.92	549,868	+0.14(+0.71%)
Apr 21, 2011	19.64	19.82	19.50	19.78	751,421	+0.17(+0.89%)
Apr 20, 2011	19.74	19.86	19.51	19.60	557,872	+0.05(+0.27%)
Apr 19, 2011	19.71	19.86	19.41	19.55	631,528	-0.15(-0.75%)
Apr 18, 2011	20.00	20.12	19.68	19.70	1,900,300	-0.43(-2.13%)
Apr 15, 2011	20.09	20.21	19.76	20.13	10,915,013	-0.37(-1.79%)
Apr 14, 2011	20.35	20.68	20.17	20.49	433,352	+0.01(+0.04%)
Apr 13, 2011	20.53	20.71	20.28	20.49	254,629	-0.04(-0.21%)
Apr 12, 2011	20.30	20.69	20.15	20.53	211,539	-0.50(-2.37%)
Apr 11, 2011	20.91	21.10	20.91	21.03	93,670	+0.03(+0.13%)
Apr 08, 2011	21.13	21.18	20.77	21.00	130,467	-0.04(-0.17%)
Apr 07, 2011	21.37	21.57	21.02	21.04	79,363	-0.38(-1.76%)
Apr 06, 2011	21.55	21.55	21.18	21.41	103,270	-0.13(-0.61%)
Apr 05, 2011	21.50	21.68	21.33	21.54	125,622	-0.06(-0.28%)
Apr 04, 2011	21.75	21.83	21.18	21.61	244,679	-0.52(-2.33%)
Apr 01, 2011	22.44	22.44	22.00	22.12	45,773	-0.20(-0.90%)
Mar 31, 2011	22.06	22.38	22.02	22.32	101,301	+0.20(+0.91%)
Mar 30, 2011	22.00	22.17	21.94	22.12	96,613	+0.05(+0.24%)
Mar 29, 2011	22.00	22.18	21.83	22.07	41,658	+0.03(+0.12%)
Mar 28, 2011	22.35	22.49	21.93	22.04	37,140	-0.32(-1.45%)
Mar 25, 2011	21.88	22.59	21.83	22.37	135,283	+0.45(+2.08%)
Mar 24, 2011	22.08	22.10	21.84	21.91	40,658	-0.05(-0.24%)
Mar 23, 2011	22.20	22.38	21.89	21.96	92,642	-0.34(-1.53%)
Mar 22, 2011	22.20	22.44	22.20	22.31	51,902	-0.02(-0.08%)
Mar 21, 2011	22.37	22.38	22.09	22.32	67,803	+0.05(+0.24%)
Mar 18, 2011	21.66	22.29	21.51	22.27	246,419	+0.68(+3.16%)
Mar 17, 2011	21.81	21.88	21.39	21.59	87,204	-0.07(-0.32%)
Mar 16, 2011	21.89	21.90	21.60	21.66	92,896	-0.32(-1.47%)
Mar 15, 2011	21.88	22.07	21.75	21.98	113,826	-0.20(-0.91%)
Mar 14, 2011	21.89	22.24	21.66	22.18	100,930	+0.13(+0.60%)
Mar 11, 2011	21.65	22.26	21.65	22.05	111,466	+0.18(+0.80%)
Mar 10, 2011	22.13	22.19	21.72	21.88	155,320	-0.26(-1.19%)
Mar 09, 2011	22.04	22.36	22.04	22.14	167,110	+0.10(+0.44%)
Mar 08, 2011	22.03	22.22	21.95	22.04	92,809	+0.00(+0.00%)
Mar 07, 2011	22.49	22.59	21.83	22.04	80,772	-0.44(-1.95%)
Mar 04, 2011	22.59	22.59	22.35	22.48	53,756	-0.13(-0.58%)
Mar 03, 2011	22.67	22.93	22.45	22.61	82,321	-0.01(-0.04%)
Mar 02, 2011	22.43	22.63	22.25	22.62	72,992	+0.23(+1.02%)

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