Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.64	21.72	21.36	21.44	363,961	-0.05(-0.21%)
May 23, 2011	21.51	21.58	21.31	21.48	350,963	-0.74(-3.34%)
May 20, 2011	22.36	22.46	22.07	22.22	259,078	-0.23(-1.03%)
May 19, 2011	22.33	22.52	22.23	22.46	184,975	+0.30(+1.34%)
May 18, 2011	22.00	22.21	21.96	22.16	156,167	+0.11(+0.50%)
May 17, 2011	21.89	22.06	21.75	22.05	813,304	-0.01(-0.03%)
May 16, 2011	21.89	22.31	21.89	22.06	303,177	+0.25(+1.15%)
May 13, 2011	22.22	22.24	21.67	21.80	447,732	-0.48(-2.17%)
May 12, 2011	22.09	22.40	21.98	22.29	507,047	+0.20(+0.91%)
May 11, 2011	22.45	22.49	22.01	22.09	428,356	-0.51(-2.25%)
May 10, 2011	22.39	22.63	22.33	22.60	484,114	+0.37(+1.68%)
May 09, 2011	22.09	22.27	21.99	22.22	286,681	+0.36(+1.65%)
May 06, 2011	22.38	22.43	21.67	21.86	533,887	-0.19(-0.85%)
May 05, 2011	22.35	22.44	21.96	22.05	348,874	-0.55(-2.43%)
May 04, 2011	22.89	22.89	22.49	22.60	905,208	-0.21(-0.93%)
May 03, 2011	22.76	23.00	22.69	22.81	689,525	-0.26(-1.15%)
May 02, 2011	23.11	23.11	23.07	23.07	874,455	+0.05(+0.20%)
Apr 29, 2011	23.11	23.15	23.03	23.03	408,694	+0.01(+0.03%)
Apr 28, 2011	22.77	23.04	22.76	23.02	739,601	+0.10(+0.45%)
Apr 27, 2011	22.56	22.95	22.51	22.92	390,737	+0.48(+2.13%)
Apr 26, 2011	22.38	22.49	22.32	22.44	428,793	+0.21(+0.96%)
Apr 25, 2011	22.27	22.27	22.12	22.23	138,825	+0.05(+0.20%)
Apr 21, 2011	22.13	22.24	22.08	22.18	326,407	+0.10(+0.47%)
Apr 20, 2011	21.91	22.13	21.88	22.08	308,013	+0.77(+3.63%)
Apr 19, 2011	21.29	21.35	21.13	21.31	240,141	+0.50(+2.42%)
Apr 18, 2011	21.00	21.02	20.58	20.80	269,394	-0.67(-3.12%)
Apr 15, 2011	21.42	21.55	21.33	21.47	388,982	-0.06(-0.26%)
Apr 14, 2011	21.26	21.57	21.22	21.53	199,908	+0.17(+0.81%)
Apr 13, 2011	21.49	21.57	21.26	21.36	317,236	+0.23(+1.07%)
Apr 12, 2011	21.34	21.37	21.05	21.13	1,084,852	-0.43(-2.00%)
Apr 11, 2011	21.69	21.71	21.52	21.57	198,494	-0.21(-0.95%)
Apr 08, 2011	21.78	21.88	21.69	21.77	220,899	+0.38(+1.78%)
Apr 07, 2011	21.53	21.58	21.28	21.39	314,157	-0.21(-0.98%)
Apr 06, 2011	21.47	21.62	21.42	21.60	205,830	+0.29(+1.35%)
Apr 05, 2011	21.18	21.40	21.15	21.31	235,737	-0.06(-0.30%)
Apr 04, 2011	21.42	21.44	21.30	21.38	276,707	+0.05(+0.21%)
Apr 01, 2011	21.15	21.41	20.99	21.33	348,485	+0.19(+0.88%)
Mar 31, 2011	21.12	21.23	21.02	21.15	263,772	+0.01(+0.03%)
Mar 30, 2011	21.08	21.20	21.00	21.14	200,911	+0.15(+0.71%)
Mar 29, 2011	20.63	20.99	20.61	20.99	1,489,921	+0.34(+1.66%)
Mar 28, 2011	20.62	20.82	20.62	20.65	220,603	+0.04(+0.19%)
Mar 25, 2011	20.66	20.79	20.58	20.61	448,093	-0.21(-0.99%)
Mar 24, 2011	20.60	20.83	20.51	20.82	480,443	+0.43(+2.09%)
Mar 23, 2011	20.31	20.47	20.22	20.39	603,322	+0.10(+0.47%)
Mar 22, 2011	20.34	20.39	20.16	20.29	571,852	-0.20(-0.98%)
Mar 21, 2011	20.37	20.53	20.37	20.49	648,972	+0.47(+2.35%)
Mar 18, 2011	20.06	20.14	19.94	20.02	1,619,285	+0.70(+3.64%)
Mar 17, 2011	19.35	19.46	19.26	19.32	3,851,454	+0.61(+3.24%)
Mar 16, 2011	19.35	19.44	18.48	18.71	1,101,159	-0.61(-3.14%)
Mar 15, 2011	19.19	19.39	19.18	19.32	620,758	-0.70(-3.48%)
Mar 14, 2011	20.08	20.13	19.89	20.02	230,009	-0.17(-0.86%)
Mar 11, 2011	20.02	20.26	20.02	20.19	881,771	-0.02(-0.08%)
Mar 10, 2011	20.47	20.47	20.16	20.21	370,281	-0.51(-2.47%)
Mar 09, 2011	20.77	20.79	20.62	20.72	1,053,832	+0.21(+1.04%)
Mar 08, 2011	20.49	20.56	20.43	20.51	320,890	+0.12(+0.60%)
Mar 07, 2011	20.60	20.71	20.28	20.39	422,555	+0.03(+0.13%)
Mar 04, 2011	20.61	20.65	20.20	20.36	419,601	-0.21(-1.03%)
Mar 03, 2011	20.44	20.61	20.32	20.57	531,538	+0.23(+1.14%)
Mar 02, 2011	20.27	20.40	20.17	20.34	1,405,842	+0.03(+0.13%)

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