Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	56.08	56.30	55.37	55.74	1,495,076	+0.01(+0.02%)
Feb 28, 2012	55.34	56.39	55.08	55.73	1,146,371	+0.66(+1.20%)
Feb 27, 2012	54.75	55.22	54.70	55.07	683,699	+0.29(+0.53%)
Feb 24, 2012	53.81	54.89	53.71	54.78	813,431	+0.97(+1.80%)
Feb 23, 2012	54.36	54.44	53.55	53.81	997,406	-0.35(-0.65%)
Feb 22, 2012	54.57	54.90	53.96	54.16	789,822	-0.26(-0.48%)
Feb 21, 2012	55.06	55.76	54.28	54.42	483,264	-0.48(-0.87%)
Feb 17, 2012	54.97	55.15	54.75	54.90	429,196	-0.02(-0.04%)
Feb 16, 2012	54.30	55.03	54.28	54.92	660,003	+0.67(+1.24%)
Feb 15, 2012	55.49	55.65	53.89	54.25	850,250	-0.98(-1.77%)
Feb 14, 2012	55.24	55.80	54.73	55.23	804,500	+0.10(+0.18%)
Feb 13, 2012	54.21	55.49	54.08	55.13	1,275,539	+1.52(+2.84%)
Feb 10, 2012	53.65	53.84	53.06	53.61	846,519	-0.44(-0.81%)
Feb 09, 2012	53.94	54.12	53.54	54.05	534,683	+0.16(+0.30%)
Feb 08, 2012	54.05	54.70	53.77	53.89	839,946	-0.02(-0.04%)
Feb 07, 2012	52.83	54.01	52.83	53.91	688,867	+0.90(+1.70%)
Feb 06, 2012	53.81	53.85	52.84	53.01	882,281	-0.76(-1.41%)
Feb 03, 2012	53.66	54.08	53.53	53.77	511,168	+0.52(+0.98%)
Feb 02, 2012	53.87	54.09	53.09	53.25	514,516	-0.49(-0.92%)
Feb 01, 2012	53.67	54.09	53.52	53.74	528,497	+0.52(+0.99%)
Jan 31, 2012	53.72	53.83	53.01	53.22	496,559	-0.19(-0.36%)
Jan 30, 2012	53.21	53.62	52.82	53.41	343,554	-0.11(-0.21%)
Jan 27, 2012	53.17	53.76	53.00	53.52	414,850	+0.21(+0.39%)
Jan 26, 2012	54.00	54.30	53.14	53.31	487,263	-0.69(-1.28%)
Jan 25, 2012	53.30	54.07	53.14	54.00	442,180	+0.60(+1.12%)
Jan 24, 2012	53.01	53.62	53.01	53.40	685,759	+0.22(+0.41%)
Jan 23, 2012	54.00	54.24	53.11	53.18	726,882	-0.66(-1.23%)
Jan 20, 2012	54.63	54.96	53.70	53.84	748,307	-0.83(-1.52%)
Jan 19, 2012	54.37	54.77	54.18	54.67	793,520	+0.47(+0.87%)
Jan 18, 2012	53.24	54.44	53.07	54.20	1,133,061	+0.93(+1.75%)
Jan 17, 2012	53.38	53.47	53.18	53.27	287,589	+0.28(+0.53%)
Jan 13, 2012	52.90	53.40	52.78	52.99	630,233	-0.15(-0.28%)
Jan 12, 2012	52.58	53.18	52.41	53.14	590,691	+0.60(+1.14%)
Jan 11, 2012	52.40	52.59	52.21	52.54	585,332	+0.17(+0.32%)
Jan 10, 2012	52.58	52.63	52.10	52.37	466,291	+0.16(+0.31%)
Jan 09, 2012	51.96	52.35	51.69	52.21	520,236	+0.11(+0.21%)
Jan 06, 2012	52.14	52.61	51.88	52.10	529,990	+0.02(+0.04%)
Jan 05, 2012	51.24	52.54	50.95	52.08	1,008,188	+0.61(+1.19%)
Jan 04, 2012	50.28	51.58	50.28	51.47	1,157,567	+0.18(+0.35%)
Dec 30, 2011	52.01	52.03	51.24	51.29	648,297	-0.72(-1.38%)
Dec 29, 2011	51.84	52.18	51.39	52.01	531,734	+0.36(+0.70%)
Dec 28, 2011	52.62	52.62	51.44	51.65	489,842	-0.68(-1.30%)
Dec 27, 2011	51.99	52.53	51.92	52.33	449,639	+0.41(+0.79%)
Dec 23, 2011	51.64	52.00	51.18	51.92	339,400	+0.04(+0.08%)
Dec 21, 2011	51.46	51.99	50.95	51.88	1,240,781	+0.38(+0.74%)
Dec 20, 2011	51.17	51.65	50.94	51.50	1,430,000	+1.16(+2.30%)
Dec 19, 2011	50.80	51.28	50.29	50.34	1,571,946	-0.15(-0.30%)
Dec 16, 2011	49.76	50.72	49.34	50.49	1,950,110	+1.78(+3.65%)
Dec 15, 2011	48.91	49.05	48.40	48.71	700,511	+0.28(+0.58%)
Dec 14, 2011	48.36	48.86	47.94	48.43	713,353	-0.11(-0.23%)
Dec 13, 2011	49.27	49.33	48.22	48.54	693,674	-0.47(-0.96%)
Dec 12, 2011	48.97	49.06	48.25	49.01	506,236	-0.23(-0.47%)
Dec 09, 2011	48.83	49.84	48.79	49.24	574,804	+0.56(+1.15%)
Dec 08, 2011	49.00	49.47	48.57	48.68	623,349	-0.93(-1.87%)
Dec 07, 2011	48.84	49.71	48.68	49.61	785,004	+0.43(+0.87%)
Dec 06, 2011	49.88	50.12	49.05	49.18	770,272	-0.77(-1.54%)
Dec 05, 2011	49.58	50.27	49.35	49.95	1,116,606	+0.96(+1.96%)
Dec 02, 2011	48.21	49.15	48.03	48.99	973,293	+1.14(+2.38%)

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