Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2010	56.00	56.02	55.16	55.31	1,303,649	-0.70(-1.25%)
Dec 30, 2010	55.31	56.16	55.25	56.01	1,652,159	+0.55(+0.99%)
Dec 29, 2010	55.79	55.96	55.45	55.46	1,725,134	-0.31(-0.56%)
Dec 28, 2010	56.11	56.13	55.33	55.77	1,701,091	-0.11(-0.20%)
Dec 27, 2010	55.75	55.98	55.29	55.88	1,491,416	-0.02(-0.04%)
Dec 23, 2010	56.22	56.38	55.53	55.90	2,308,793	-0.31(-0.55%)
Dec 22, 2010	57.79	57.87	56.12	56.21	3,627,620	-1.82(-3.14%)
Dec 21, 2010	57.75	58.21	57.64	58.03	2,280,203	+0.45(+0.78%)
Dec 20, 2010	58.35	58.55	57.45	57.58	2,564,304	-0.65(-1.12%)
Dec 17, 2010	57.80	58.53	57.53	58.23	3,549,603	+0.34(+0.59%)
Dec 16, 2010	57.75	58.18	57.25	57.89	2,634,475	+0.21(+0.36%)
Dec 15, 2010	57.91	58.42	57.14	57.68	4,115,228	+0.07(+0.12%)
Dec 14, 2010	57.41	58.01	57.30	57.61	2,724,674	+0.27(+0.47%)
Dec 13, 2010	57.98	58.36	57.30	57.34	4,842,934	-0.08(-0.14%)
Dec 10, 2010	57.17	57.52	56.57	57.42	2,409,540	+0.30(+0.53%)
Dec 09, 2010	56.31	57.20	56.10	57.12	3,184,261	+1.05(+1.87%)
Dec 08, 2010	56.08	56.24	55.53	56.07	1,855,121	-0.02(-0.04%)
Dec 07, 2010	56.70	56.80	56.00	56.09	3,043,275	+0.18(+0.32%)
Dec 06, 2010	56.58	56.58	55.35	55.91	3,311,189	-0.70(-1.24%)
Dec 03, 2010	56.71	57.07	55.85	56.61	3,622,632	-0.24(-0.42%)
Dec 02, 2010	56.44	57.00	56.44	56.85	4,546,677	+0.22(+0.39%)

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