Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	57.88	58.33	56.84	57.00	11,369,343	-0.86(-1.49%)
Feb 28, 2012	58.09	58.42	57.45	57.86	8,642,740	-0.24(-0.42%)
Feb 27, 2012	58.18	58.51	57.32	58.10	7,616,832	-0.54(-0.93%)
Feb 24, 2012	58.83	59.12	58.46	58.64	6,922,475	+0.19(+0.33%)
Feb 23, 2012	59.05	59.05	57.70	58.45	10,074,487	-0.30(-0.51%)
Feb 22, 2012	57.69	59.33	57.69	58.75	11,105,090	+1.04(+1.81%)
Feb 21, 2012	57.97	58.59	57.48	57.71	11,201,245	+0.62(+1.08%)
Feb 17, 2012	57.71	57.78	56.98	57.09	11,716,691	-0.03(-0.06%)
Feb 16, 2012	56.44	57.30	55.99	57.13	14,783,777	+0.51(+0.90%)
Feb 15, 2012	57.20	57.21	56.16	56.62	8,441,784	-0.32(-0.57%)
Feb 14, 2012	56.87	57.07	56.32	56.94	6,031,979	-0.17(-0.29%)
Feb 13, 2012	57.15	57.38	56.44	57.11	6,432,841	+0.63(+1.11%)
Feb 10, 2012	56.86	57.11	56.07	56.48	9,851,097	-1.08(-1.87%)
Feb 09, 2012	57.68	57.77	56.89	57.55	10,070,424	+0.17(+0.29%)
Feb 08, 2012	58.42	58.45	57.06	57.38	9,043,765	-0.80(-1.37%)
Feb 07, 2012	58.06	58.32	57.08	58.18	10,320,286	-0.10(-0.18%)
Feb 06, 2012	57.23	58.36	56.90	58.28	7,324,723	+0.72(+1.25%)
Feb 03, 2012	57.31	57.60	56.87	57.57	10,088,376	+0.99(+1.75%)
Feb 02, 2012	55.80	56.67	55.60	56.58	10,136,970	+0.87(+1.56%)
Feb 01, 2012	55.88	56.46	54.97	55.71	9,921,381	+0.70(+1.26%)
Jan 31, 2012	56.32	56.32	54.85	55.01	12,228,168	-0.81(-1.44%)
Jan 30, 2012	55.23	55.83	54.49	55.82	9,003,531	-0.29(-0.51%)
Jan 27, 2012	55.51	56.71	55.51	56.10	9,891,976	+0.50(+0.90%)
Jan 26, 2012	56.38	56.90	55.47	55.61	10,708,025	-0.15(-0.28%)
Jan 25, 2012	54.26	56.00	53.50	55.76	14,247,800	+1.17(+2.14%)
Jan 24, 2012	53.55	54.59	53.33	54.59	10,099,384	+0.31(+0.58%)
Jan 23, 2012	54.32	54.74	53.49	54.27	12,321,607	+0.26(+0.49%)
Jan 20, 2012	54.01	55.44	53.13	54.01	24,740,036	+0.69(+1.29%)
Jan 19, 2012	52.12	53.42	52.12	53.32	17,469,318	+1.63(+3.16%)
Jan 18, 2012	49.14	51.71	49.12	51.69	17,895,816	+2.19(+4.42%)
Jan 17, 2012	50.77	51.04	49.33	49.50	16,067,296	-0.26(-0.51%)
Jan 13, 2012	50.50	50.61	49.56	49.76	13,272,102	-1.25(-2.45%)
Jan 12, 2012	51.65	52.32	49.91	51.01	11,989,936	-0.34(-0.66%)
Jan 11, 2012	51.66	51.67	50.80	51.35	10,172,379	-0.43(-0.83%)
Jan 10, 2012	51.57	52.00	51.41	51.78	12,277,055	+1.41(+2.80%)
Jan 09, 2012	49.96	50.47	49.68	50.37	7,682,545	+0.76(+1.53%)
Jan 06, 2012	50.13	50.30	49.29	49.60	12,278,584	-0.21(-0.43%)
Jan 05, 2012	50.48	50.55	49.14	49.82	14,761,769	-1.09(-2.14%)
Jan 04, 2012	51.32	51.55	50.67	50.91	8,975,651	+0.91(+1.83%)
Dec 30, 2011	49.38	50.16	49.27	49.99	7,564,910	+0.66(+1.34%)
Dec 29, 2011	49.08	49.58	49.03	49.33	6,389,273	+0.27(+0.55%)
Dec 28, 2011	50.20	50.50	48.88	49.06	8,540,394	-1.14(-2.27%)
Dec 27, 2011	50.54	50.91	50.20	50.20	5,878,852	-0.40(-0.78%)
Dec 23, 2011	49.95	50.60	49.77	50.60	6,159,679	+1.05(+2.11%)
Dec 21, 2011	50.05	50.22	48.57	49.55	10,602,315	-0.34(-0.67%)
Dec 20, 2011	48.81	50.19	48.81	49.89	10,837,396	+2.27(+4.76%)
Dec 19, 2011	49.34	49.34	47.53	47.62	10,962,861	-1.35(-2.75%)
Dec 16, 2011	49.13	49.73	48.16	48.97	16,080,233	+0.42(+0.87%)
Dec 15, 2011	49.82	50.12	48.43	48.54	11,447,395	-0.49(-1.00%)
Dec 14, 2011	50.63	50.87	48.90	49.03	18,869,738	-2.50(-4.84%)
Dec 13, 2011	53.12	53.98	51.24	51.53	13,534,896	-1.11(-2.10%)
Dec 12, 2011	53.31	53.42	51.65	52.63	12,933,364	-1.63(-3.01%)
Dec 09, 2011	52.80	54.57	52.72	54.27	14,334,208	+1.61(+3.06%)
Dec 08, 2011	54.33	55.14	52.44	52.66	16,823,696	-2.30(-4.18%)
Dec 07, 2011	55.47	55.69	54.41	54.95	13,450,438	-1.14(-2.04%)
Dec 06, 2011	56.25	56.83	55.57	56.10	10,619,292	-0.37(-0.65%)
Dec 05, 2011	55.83	56.64	55.57	56.46	13,156,287	+1.57(+2.85%)
Dec 02, 2011	55.55	56.15	54.77	54.90	9,640,416	+0.10(+0.19%)

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