Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	18.62	18.62	18.15	18.20	411,302	-0.39(-2.11%)
May 23, 2011	18.91	18.99	18.51	18.59	324,270	-0.51(-2.69%)
May 20, 2011	19.09	19.33	18.94	19.10	307,149	-0.11(-0.59%)
May 19, 2011	19.03	19.24	18.96	19.22	203,680	+0.25(+1.33%)
May 18, 2011	18.64	18.97	18.54	18.96	300,911	+0.34(+1.83%)
May 17, 2011	18.60	18.80	18.41	18.62	670,571	-0.09(-0.47%)
May 16, 2011	19.04	19.11	18.61	18.71	519,366	-0.44(-2.32%)
May 13, 2011	19.53	19.64	19.10	19.16	206,974	-0.39(-2.01%)
May 12, 2011	19.41	19.64	19.28	19.55	190,048	+0.05(+0.27%)
May 11, 2011	19.63	19.75	19.43	19.50	225,694	-0.17(-0.84%)
May 10, 2011	19.49	19.70	19.49	19.66	155,159	+0.22(+1.12%)
May 09, 2011	19.43	19.61	19.26	19.44	172,482	-0.03(-0.18%)
May 06, 2011	19.57	19.70	19.33	19.48	290,469	+0.09(+0.45%)
May 05, 2011	19.61	19.71	19.22	19.39	385,855	-0.28(-1.42%)
May 04, 2011	20.36	20.36	19.62	19.67	377,171	-0.17(-0.88%)
May 03, 2011	19.96	20.16	19.58	19.85	379,284	-0.20(-1.00%)
May 02, 2011	20.14	20.18	20.01	20.05	381,985	-0.11(-0.56%)
Apr 29, 2011	20.61	20.67	20.01	20.16	970,275	-0.42(-2.03%)
Apr 28, 2011	20.39	20.68	20.36	20.58	501,762	+0.12(+0.60%)
Apr 27, 2011	20.05	20.51	19.99	20.46	703,638	+0.41(+2.04%)
Apr 26, 2011	19.84	20.05	19.76	20.05	554,916	+0.20(+1.01%)
Apr 25, 2011	19.79	19.90	19.77	19.85	551,831	+0.14(+0.71%)
Apr 21, 2011	19.57	19.75	19.43	19.71	754,103	+0.17(+0.89%)
Apr 20, 2011	19.67	19.78	19.44	19.53	559,863	+0.05(+0.27%)
Apr 19, 2011	19.64	19.79	19.34	19.48	633,783	-0.15(-0.76%)
Apr 18, 2011	19.92	20.05	19.61	19.63	1,907,084	-0.43(-2.13%)
Apr 15, 2011	20.02	20.13	19.69	20.05	10,953,980	-0.37(-1.79%)
Apr 14, 2011	20.27	20.60	20.10	20.42	434,900	+0.01(+0.04%)
Apr 13, 2011	20.46	20.64	20.21	20.41	255,538	-0.04(-0.21%)
Apr 12, 2011	20.23	20.61	20.08	20.46	212,294	-0.50(-2.37%)
Apr 11, 2011	20.83	21.02	20.83	20.95	94,004	+0.03(+0.13%)
Apr 08, 2011	21.06	21.10	20.70	20.93	130,933	-0.03(-0.17%)
Apr 07, 2011	21.29	21.49	20.94	20.96	79,646	-0.38(-1.76%)
Apr 06, 2011	21.48	21.48	21.10	21.34	103,639	-0.13(-0.61%)
Apr 05, 2011	21.42	21.60	21.26	21.47	126,070	-0.06(-0.28%)
Apr 04, 2011	21.67	21.76	21.10	21.53	245,552	-0.51(-2.33%)
Apr 01, 2011	22.36	22.36	21.92	22.04	45,937	-0.20(-0.90%)
Mar 31, 2011	21.98	22.30	21.94	22.24	101,663	+0.20(+0.91%)
Mar 30, 2011	21.92	22.10	21.86	22.04	96,958	+0.05(+0.24%)
Mar 29, 2011	21.92	22.10	21.76	21.99	41,807	+0.03(+0.12%)
Mar 28, 2011	22.27	22.41	21.85	21.96	37,272	-0.32(-1.45%)
Mar 25, 2011	21.80	22.50	21.76	22.29	135,766	+0.45(+2.08%)
Mar 24, 2011	22.00	22.02	21.76	21.83	40,804	-0.05(-0.24%)
Mar 23, 2011	22.12	22.30	21.82	21.89	92,973	-0.34(-1.53%)
Mar 22, 2011	22.12	22.36	22.12	22.23	52,087	-0.02(-0.08%)
Mar 21, 2011	22.29	22.30	22.01	22.24	68,045	+0.05(+0.24%)
Mar 18, 2011	21.58	22.21	21.43	22.19	247,299	+0.68(+3.16%)
Mar 17, 2011	21.73	21.80	21.31	21.51	87,515	-0.07(-0.32%)
Mar 16, 2011	21.81	21.82	21.52	21.58	93,228	-0.32(-1.47%)
Mar 15, 2011	21.80	21.99	21.67	21.90	114,232	-0.20(-0.91%)
Mar 14, 2011	21.81	22.16	21.58	22.10	101,290	+0.13(+0.60%)
Mar 11, 2011	21.57	22.18	21.57	21.97	111,864	+0.17(+0.80%)
Mar 10, 2011	22.05	22.11	21.64	21.80	155,875	-0.26(-1.19%)
Mar 09, 2011	21.96	22.28	21.96	22.06	167,707	+0.10(+0.44%)
Mar 08, 2011	21.95	22.14	21.87	21.96	93,140	+0.00(+0.00%)
Mar 07, 2011	22.41	22.50	21.76	21.96	81,061	-0.44(-1.95%)
Mar 04, 2011	22.51	22.51	22.27	22.40	53,948	-0.13(-0.58%)
Mar 03, 2011	22.59	22.84	22.37	22.53	82,615	-0.01(-0.04%)
Mar 02, 2011	22.35	22.55	22.17	22.54	73,253	+0.23(+1.02%)

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