Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	77.37	77.86	76.90	77.62	496,669	+0.51(+0.66%)
Feb 25, 2011	76.10	77.12	75.98	77.12	366,138	+1.25(+1.65%)
Feb 24, 2011	77.20	77.21	75.43	75.86	556,439	-0.97(-1.26%)
Feb 23, 2011	75.84	77.38	75.79	76.83	809,016	+1.36(+1.80%)
Feb 22, 2011	76.75	77.24	75.09	75.47	610,856	-0.75(-0.99%)
Feb 18, 2011	76.14	76.41	75.62	76.22	405,889	+0.26(+0.34%)
Feb 17, 2011	75.28	76.13	75.11	75.97	531,648	+0.73(+0.97%)
Feb 16, 2011	74.61	75.30	74.40	75.23	333,112	+1.00(+1.34%)
Feb 15, 2011	75.02	75.10	73.96	74.24	286,055	-0.81(-1.08%)
Feb 14, 2011	73.39	75.12	73.39	75.04	411,512	+1.66(+2.27%)
Feb 11, 2011	73.21	73.79	72.97	73.38	220,928	+0.00(+0.00%)
Feb 10, 2011	72.22	73.48	72.21	73.38	272,028	+0.74(+1.02%)
Feb 09, 2011	73.20	73.50	72.16	72.64	312,010	-0.91(-1.24%)
Feb 08, 2011	73.75	73.79	72.95	73.56	326,239	-0.24(-0.33%)
Feb 07, 2011	73.59	74.34	73.59	73.80	362,757	+0.55(+0.76%)
Feb 04, 2011	73.65	73.68	72.86	73.24	265,522	-0.27(-0.37%)
Feb 03, 2011	73.55	73.55	72.58	73.52	260,932	+0.05(+0.07%)
Feb 02, 2011	73.35	74.00	73.07	73.47	696,577	-0.03(-0.05%)
Feb 01, 2011	72.49	73.62	72.47	73.50	490,316	+1.31(+1.82%)
Jan 31, 2011	70.78	72.20	70.57	72.19	386,545	+1.92(+2.73%)
Jan 28, 2011	70.57	70.77	70.05	70.27	290,846	-0.27(-0.38%)
Jan 27, 2011	70.96	71.03	70.21	70.54	451,144	-0.29(-0.41%)
Jan 26, 2011	69.46	71.00	69.44	70.84	687,499	+1.66(+2.41%)
Jan 25, 2011	69.30	69.39	68.47	69.17	378,689	-0.30(-0.43%)
Jan 24, 2011	69.29	69.62	68.92	69.47	358,634	+0.22(+0.32%)
Jan 21, 2011	69.69	69.77	68.92	69.25	206,240	+0.32(+0.47%)
Jan 20, 2011	69.08	69.14	67.98	68.92	322,700	-0.57(-0.82%)
Jan 19, 2011	70.61	70.61	69.41	69.49	389,852	-0.93(-1.32%)
Jan 18, 2011	70.03	70.42	69.75	70.42	430,402	+0.48(+0.69%)
Jan 14, 2011	69.18	69.97	68.91	69.94	196,651	+0.70(+1.01%)
Jan 13, 2011	69.46	69.67	68.97	69.24	206,560	-0.14(-0.20%)
Jan 12, 2011	69.17	69.46	68.83	69.38	333,743	+0.83(+1.21%)
Jan 11, 2011	67.97	68.58	67.82	68.55	321,531	+1.03(+1.52%)
Jan 10, 2011	67.51	67.59	66.92	67.53	271,480	-0.14(-0.21%)
Jan 07, 2011	67.26	67.89	67.03	67.67	323,290	+0.42(+0.62%)
Jan 06, 2011	68.04	68.08	66.96	67.25	271,901	-0.54(-0.80%)
Jan 05, 2011	67.32	67.87	66.95	67.79	292,292	+0.23(+0.34%)
Jan 04, 2011	68.55	68.55	66.89	67.56	383,763	-0.51(-0.76%)
Jan 03, 2011	68.21	68.49	67.96	68.08	397,703	+0.63(+0.93%)
Dec 31, 2010	67.37	67.76	67.26	67.45	182,457	-0.07(-0.11%)
Dec 30, 2010	67.47	67.79	67.26	67.52	209,837	+0.12(+0.18%)
Dec 29, 2010	66.99	67.58	66.92	67.40	267,094	+0.60(+0.89%)
Dec 28, 2010	66.82	66.87	66.49	66.80	145,858	+0.24(+0.37%)
Dec 27, 2010	66.53	66.65	66.32	66.56	140,523	-0.24(-0.35%)
Dec 23, 2010	66.65	66.88	66.56	66.80	152,403	+0.14(+0.20%)
Dec 22, 2010	66.68	66.70	66.45	66.66	215,270	+0.25(+0.37%)
Dec 21, 2010	66.09	66.49	65.84	66.42	259,530	+0.72(+1.09%)
Dec 20, 2010	65.56	65.88	65.15	65.70	244,800	+0.49(+0.76%)
Dec 17, 2010	65.26	65.34	64.92	65.20	135,375	-0.02(-0.03%)
Dec 16, 2010	64.84	65.22	64.35	65.22	332,424	+0.42(+0.66%)
Dec 15, 2010	65.10	65.48	64.70	64.80	201,776	-0.43(-0.66%)
Dec 14, 2010	65.64	65.76	65.03	65.22	219,784	-0.26(-0.40%)
Dec 13, 2010	65.44	66.02	65.44	65.48	193,295	+0.45(+0.70%)
Dec 10, 2010	64.94	65.08	64.62	65.03	122,521	+0.28(+0.43%)
Dec 09, 2010	65.04	65.04	64.21	64.75	121,044	+0.13(+0.20%)
Dec 08, 2010	65.04	65.30	64.25	64.62	150,664	-0.31(-0.47%)
Dec 07, 2010	65.94	66.01	64.82	64.93	423,823	-0.15(-0.24%)
Dec 06, 2010	64.85	65.26	64.72	65.08	251,662	+0.23(+0.36%)
Dec 03, 2010	64.24	64.90	64.22	64.85	190,609	+0.37(+0.58%)
Dec 02, 2010	63.74	64.54	63.65	64.47	219,784	+0.92(+1.45%)

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