Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	57.85	57.98	57.75	57.75	32,519	+0.00(+0.00%)
May 20, 2011	57.49	57.94	57.25	57.75	41,867	+0.66(+1.16%)
May 19, 2011	56.21	57.35	56.20	57.09	41,983	+1.22(+2.18%)
May 18, 2011	56.60	56.98	55.55	55.87	45,137	-0.64(-1.13%)
May 17, 2011	56.00	56.96	55.57	56.51	47,934	+0.51(+0.91%)
May 16, 2011	55.90	56.49	55.76	56.00	54,616	-0.17(-0.30%)
May 13, 2011	56.50	56.50	56.00	56.17	29,756	-0.09(-0.16%)
May 12, 2011	56.87	56.92	56.07	56.26	50,190	-0.98(-1.71%)
May 11, 2011	57.83	57.83	56.80	57.24	32,295	-0.85(-1.46%)
May 10, 2011	58.50	58.50	58.00	58.09	19,355	-0.33(-0.56%)
May 09, 2011	58.20	58.58	57.60	58.42	67,177	+0.67(+1.16%)
May 06, 2011	58.49	58.70	57.69	57.75	43,943	-0.35(-0.60%)
May 05, 2011	56.65	58.98	56.65	58.10	168,574	+1.14(+2.00%)
May 04, 2011	56.97	57.30	56.60	56.96	20,438	+0.10(+0.18%)
May 03, 2011	56.81	57.11	56.65	56.86	21,977	-0.04(-0.07%)
May 02, 2011	56.73	56.99	56.71	56.90	35,049	-0.10(-0.18%)
Apr 29, 2011	57.00	57.63	56.68	57.00	40,521	+0.20(+0.35%)
Apr 28, 2011	56.42	57.13	56.36	56.80	18,965	+0.17(+0.30%)
Apr 27, 2011	57.00	57.19	56.60	56.63	26,367	-0.37(-0.65%)
Apr 26, 2011	57.68	57.68	56.90	57.00	23,737	-0.68(-1.18%)
Apr 25, 2011	56.99	57.68	57.23	57.68	13,718	+0.77(+1.35%)
Apr 21, 2011	56.82	57.36	56.79	56.91	19,265	+0.15(+0.26%)
Apr 20, 2011	58.25	58.25	56.55	56.76	27,312	-1.25(-2.15%)
Apr 19, 2011	56.50	58.30	56.02	58.01	37,438	+1.51(+2.67%)
Apr 18, 2011	58.09	58.09	56.11	56.50	36,872	-1.59(-2.74%)
Apr 15, 2011	58.00	58.65	58.00	58.09	18,650	-0.05(-0.09%)
Apr 14, 2011	57.84	58.49	57.69	58.14	33,063	+0.41(+0.71%)
Apr 13, 2011	58.21	58.57	56.99	57.73	82,705	-0.37(-0.64%)
Apr 12, 2011	57.51	58.24	57.51	58.10	27,477	+0.37(+0.64%)
Apr 11, 2011	59.05	59.25	57.73	57.73	38,134	-1.62(-2.73%)
Apr 08, 2011	59.23	59.35	58.25	59.35	40,929	+0.66(+1.12%)
Apr 07, 2011	58.57	58.96	58.09	58.69	59,582	+0.24(+0.41%)
Apr 06, 2011	58.40	59.26	58.40	58.45	66,300	+0.05(+0.09%)
Apr 05, 2011	57.24	58.44	56.96	58.40	80,521	+1.27(+2.22%)
Apr 04, 2011	56.72	57.61	56.51	57.13	36,035	+0.44(+0.78%)
Apr 01, 2011	57.09	57.38	56.30	56.69	50,182	-0.22(-0.39%)
Mar 31, 2011	56.50	57.15	56.41	56.91	78,982	+0.57(+1.01%)
Mar 30, 2011	55.58	56.60	55.58	56.34	30,393	+0.78(+1.40%)
Mar 29, 2011	56.00	56.24	55.50	55.56	19,182	-0.24(-0.43%)
Mar 28, 2011	56.55	56.91	55.45	55.80	26,278	-0.75(-1.33%)
Mar 25, 2011	56.60	57.19	56.55	56.55	49,328	-0.19(-0.33%)
Mar 24, 2011	56.60	57.62	56.56	56.74	59,080	+0.14(+0.25%)
Mar 23, 2011	56.50	56.98	56.30	56.60	55,958	+0.20(+0.35%)
Mar 22, 2011	56.63	56.70	56.16	56.40	20,419	-0.06(-0.11%)
Mar 21, 2011	55.00	56.90	56.30	56.46	47,218	+2.03(+3.73%)
Mar 18, 2011	55.65	55.95	54.26	54.43	79,537	-0.85(-1.54%)
Mar 17, 2011	54.97	55.97	54.68	55.28	33,268	+0.80(+1.47%)
Mar 16, 2011	54.58	56.18	54.05	54.48	86,109	-0.32(-0.58%)
Mar 15, 2011	54.50	54.99	53.40	54.80	86,305	-0.13(-0.24%)
Mar 14, 2011	55.15	55.25	54.50	54.93	40,300	-0.22(-0.40%)
Mar 11, 2011	55.00	56.25	54.05	55.15	57,587	+0.03(+0.05%)
Mar 10, 2011	56.44	56.44	55.10	55.12	84,842	-1.96(-3.43%)
Mar 09, 2011	57.63	57.86	56.79	57.08	47,464	-0.61(-1.06%)
Mar 08, 2011	58.72	58.72	57.69	57.69	32,820	-0.82(-1.40%)
Mar 07, 2011	59.55	59.77	58.25	58.51	25,738	-0.90(-1.51%)
Mar 04, 2011	58.94	60.00	58.90	59.41	37,413	+0.49(+0.83%)
Mar 03, 2011	58.41	58.99	58.37	58.92	75,440	+0.41(+0.70%)
Mar 02, 2011	58.71	59.00	58.50	58.51	63,065	-0.11(-0.19%)

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