Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	21.31	21.61	21.18	21.42	1,277,235	+0.16(+0.76%)
May 30, 2012	21.72	21.72	21.26	21.26	1,048,470	-0.52(-2.40%)
May 29, 2012	21.65	21.80	21.55	21.78	914,111	+0.30(+1.37%)
May 25, 2012	21.58	21.65	21.42	21.49	722,238	-0.08(-0.36%)
May 24, 2012	21.55	21.67	21.32	21.57	938,991	+0.06(+0.26%)
May 23, 2012	21.48	21.55	21.25	21.51	726,452	-0.06(-0.26%)
May 22, 2012	21.46	21.60	21.38	21.57	1,160,799	+0.17(+0.81%)
May 21, 2012	21.22	21.39	20.98	21.39	1,384,079	+0.22(+1.05%)
May 18, 2012	21.32	21.53	21.16	21.17	1,471,680	-0.19(-0.91%)
May 17, 2012	21.91	21.93	21.37	21.37	1,768,294	-0.52(-2.37%)
May 16, 2012	22.10	22.12	21.87	21.88	1,248,143	-0.13(-0.58%)
May 15, 2012	21.91	22.09	21.79	22.01	1,288,129	+0.18(+0.82%)
May 14, 2012	21.99	22.03	21.83	21.83	868,845	-0.26(-1.16%)
May 11, 2012	21.75	22.20	21.73	22.09	1,026,018	+0.20(+0.92%)
May 10, 2012	21.97	22.00	21.65	21.89	1,029,718	+0.03(+0.15%)
May 09, 2012	21.85	21.95	21.76	21.86	1,307,900	-0.11(-0.48%)
May 08, 2012	21.90	22.04	21.84	21.96	1,198,810	+0.01(+0.03%)
May 07, 2012	21.83	22.00	21.83	21.96	953,382	+0.08(+0.36%)
May 04, 2012	21.96	22.02	21.83	21.88	1,140,232	-0.08(-0.38%)
May 03, 2012	21.97	22.05	21.93	21.96	1,394,452	+0.09(+0.43%)
May 02, 2012	21.92	22.02	21.75	21.87	1,153,668	-0.09(-0.43%)
May 01, 2012	21.94	22.17	21.91	21.96	1,059,809	+0.06(+0.25%)
Apr 30, 2012	21.82	21.95	21.73	21.91	893,228	+0.05(+0.23%)
Apr 27, 2012	22.00	22.00	21.76	21.86	1,030,723	-0.01(-0.04%)
Apr 26, 2012	21.90	21.96	21.77	21.86	1,347,977	-0.03(-0.13%)
Apr 25, 2012	21.76	21.95	21.73	21.89	1,286,653	+0.26(+1.18%)
Apr 24, 2012	21.41	21.68	21.40	21.64	1,144,881	+0.27(+1.25%)
Apr 23, 2012	21.29	21.38	21.19	21.37	1,064,462	-0.06(-0.29%)
Apr 20, 2012	21.18	21.51	21.15	21.43	1,080,106	+0.36(+1.71%)
Apr 19, 2012	21.12	21.33	21.03	21.07	1,558,633	-0.06(-0.26%)
Apr 18, 2012	21.18	21.29	21.12	21.13	874,436	-0.08(-0.39%)
Apr 17, 2012	21.23	21.33	21.08	21.21	1,067,498	+0.11(+0.50%)
Apr 16, 2012	20.96	21.21	20.87	21.10	1,322,151	+0.29(+1.41%)
Apr 13, 2012	20.88	21.12	20.81	20.81	1,111,637	-0.13(-0.61%)
Apr 12, 2012	20.87	20.99	20.82	20.94	1,162,267	+0.03(+0.16%)
Apr 11, 2012	20.64	20.92	20.59	20.91	1,223,791	+0.42(+2.06%)
Apr 10, 2012	20.74	20.86	20.46	20.48	1,308,040	-0.22(-1.05%)
Apr 09, 2012	20.59	20.71	20.47	20.70	1,421,838	-0.11(-0.51%)
Apr 05, 2012	21.00	21.00	20.69	20.81	2,505,553	-0.55(-2.60%)
Apr 04, 2012	21.50	21.55	21.30	21.36	1,411,584	-0.24(-1.13%)
Apr 03, 2012	21.58	21.63	21.46	21.60	1,049,378	+0.06(+0.26%)
Apr 02, 2012	21.49	21.69	21.48	21.55	1,175,463	+0.06(+0.28%)
Mar 30, 2012	21.56	21.65	21.47	21.49	1,045,937	+0.02(+0.10%)
Mar 29, 2012	21.43	21.52	21.26	21.47	854,147	-0.05(-0.22%)
Mar 28, 2012	21.42	21.53	21.28	21.51	1,300,336	+0.09(+0.41%)
Mar 27, 2012	21.31	21.50	21.24	21.42	1,173,992	+0.15(+0.70%)
Mar 26, 2012	21.21	21.32	21.11	21.27	1,024,320	+0.19(+0.89%)
Mar 23, 2012	21.04	21.21	20.88	21.09	905,483	+0.11(+0.50%)
Mar 22, 2012	20.98	21.06	20.77	20.98	1,062,467	-0.05(-0.24%)
Mar 21, 2012	21.10	21.14	21.00	21.03	760,260	-0.02(-0.08%)
Mar 20, 2012	20.98	21.13	20.94	21.05	792,214	-0.01(-0.05%)
Mar 19, 2012	20.98	21.13	20.90	21.06	1,082,151	+0.09(+0.45%)
Mar 16, 2012	21.01	21.02	20.87	20.97	1,348,424	-0.02(-0.11%)
Mar 15, 2012	20.98	21.00	20.80	20.99	914,091	+0.07(+0.32%)
Mar 14, 2012	20.98	21.11	20.83	20.92	991,943	-0.11(-0.50%)
Mar 13, 2012	20.81	21.03	20.72	21.03	1,541,574	+0.35(+1.68%)
Mar 12, 2012	20.47	20.74	20.45	20.68	920,450	+0.25(+1.22%)
Mar 09, 2012	20.45	20.53	20.35	20.43	1,199,521	+0.03(+0.16%)
Mar 08, 2012	20.63	20.64	20.39	20.40	1,413,762	-0.20(-0.97%)
Mar 07, 2012	20.48	20.60	20.34	20.59	880,082	+0.15(+0.76%)
Mar 06, 2012	20.40	20.55	20.35	20.44	1,141,115	-0.10(-0.48%)
Mar 05, 2012	20.36	20.55	20.32	20.54	1,058,974	+0.18(+0.90%)
Mar 02, 2012	20.36	20.43	20.24	20.36	889,415	-0.06(-0.27%)

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