Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	67.55	67.55	66.64	66.76	374,507	-0.76(-1.12%)
May 23, 2011	68.54	68.54	67.52	67.52	446,645	-1.01(-1.47%)
May 20, 2011	68.61	69.09	68.42	68.52	573,189	-0.09(-0.13%)
May 19, 2011	69.43	69.43	68.58	68.61	319,428	-0.64(-0.93%)
May 18, 2011	68.56	69.67	68.45	69.26	442,597	+0.68(+0.99%)
May 17, 2011	68.37	68.61	68.11	68.58	469,152	-0.28(-0.41%)
May 16, 2011	68.46	69.03	68.27	68.86	360,611	+0.08(+0.11%)
May 13, 2011	69.13	69.50	68.39	68.78	404,620	-0.49(-0.71%)
May 12, 2011	68.19	69.41	68.19	69.27	228,758	+0.77(+1.13%)
May 11, 2011	69.24	69.54	68.28	68.50	254,222	-1.00(-1.44%)
May 10, 2011	69.03	69.71	68.97	69.50	260,064	+0.62(+0.90%)
May 09, 2011	68.64	68.94	67.99	68.88	222,727	+0.30(+0.43%)
May 06, 2011	69.09	69.54	68.35	68.58	246,707	+0.07(+0.10%)
May 05, 2011	69.09	69.35	68.24	68.51	531,336	-0.79(-1.15%)
May 04, 2011	70.13	70.16	68.82	69.31	372,320	-0.77(-1.10%)
May 03, 2011	68.84	70.08	68.64	70.08	544,018	+1.46(+2.12%)
May 02, 2011	68.59	68.74	68.55	68.62	522,149	-0.92(-1.32%)
Apr 29, 2011	70.00	70.71	69.49	69.54	578,908	-0.71(-1.01%)
Apr 28, 2011	70.06	70.80	69.87	70.25	630,716	+0.25(+0.36%)
Apr 27, 2011	69.09	70.00	68.90	70.00	407,677	+0.91(+1.31%)
Apr 26, 2011	68.82	69.69	68.82	69.09	356,616	+0.28(+0.41%)
Apr 25, 2011	68.47	68.92	68.41	68.80	173,911	+0.30(+0.43%)
Apr 21, 2011	68.63	68.94	68.22	68.51	236,037	+0.18(+0.27%)
Apr 20, 2011	68.78	68.98	68.22	68.32	300,514	+0.19(+0.28%)
Apr 19, 2011	69.03	69.04	67.87	68.13	424,594	-0.49(-0.71%)
Apr 18, 2011	69.09	69.09	67.87	68.62	463,423	-0.93(-1.34%)
Apr 15, 2011	69.61	70.63	69.29	69.55	601,209	-0.05(-0.08%)
Apr 14, 2011	69.80	70.57	69.51	69.61	523,156	-0.37(-0.52%)
Apr 13, 2011	70.12	70.46	69.54	69.97	634,099	+0.42(+0.60%)
Apr 12, 2011	70.14	70.64	69.40	69.55	618,037	-0.83(-1.18%)
Apr 11, 2011	70.56	71.04	70.19	70.38	524,754	-0.27(-0.38%)
Apr 08, 2011	71.76	71.84	70.40	70.65	491,127	-0.79(-1.11%)
Apr 07, 2011	71.35	71.75	70.77	71.45	804,784	-0.11(-0.15%)
Apr 06, 2011	70.78	71.61	70.44	71.55	934,535	+1.24(+1.76%)
Apr 05, 2011	70.29	71.12	69.45	70.32	1,235,546	-0.24(-0.34%)
Apr 04, 2011	70.72	71.58	70.10	70.55	1,468,329	+1.52(+2.20%)
Apr 01, 2011	67.48	69.19	67.42	69.03	1,276,834	+1.74(+2.59%)
Mar 31, 2011	63.69	67.41	63.69	67.29	1,751,362	+3.62(+5.69%)
Mar 30, 2011	63.45	63.83	62.88	63.67	1,632,581	+0.33(+0.52%)
Mar 29, 2011	62.92	63.43	62.86	63.34	523,723	+0.30(+0.47%)
Mar 28, 2011	63.36	63.44	63.04	63.04	605,456	-0.26(-0.41%)
Mar 25, 2011	63.10	63.65	62.70	63.30	219,109	+0.27(+0.44%)
Mar 24, 2011	62.80	63.27	62.75	63.03	369,244	+0.43(+0.68%)
Mar 23, 2011	62.14	62.97	61.59	62.60	658,962	+0.27(+0.43%)
Mar 22, 2011	63.17	63.75	62.31	62.33	605,454	-0.99(-1.57%)
Mar 21, 2011	63.10	63.39	63.10	63.33	316,715	+0.95(+1.52%)
Mar 18, 2011	62.75	63.24	62.38	62.38	582,553	-0.07(-0.11%)
Mar 17, 2011	62.74	62.75	61.85	62.45	496,705	+0.17(+0.27%)
Mar 16, 2011	62.52	63.13	62.28	62.28	581,860	-0.36(-0.57%)
Mar 15, 2011	62.69	63.12	62.57	62.64	684,548	-0.17(-0.27%)
Mar 14, 2011	62.48	63.31	62.03	62.81	743,760	-0.93(-1.46%)
Mar 11, 2011	63.59	64.75	61.52	63.74	901,220	-1.79(-2.74%)
Mar 10, 2011	66.16	66.31	65.46	65.53	248,848	-1.39(-2.08%)
Mar 09, 2011	67.03	67.35	66.34	66.92	325,292	-0.24(-0.35%)
Mar 08, 2011	66.26	67.40	66.02	67.16	270,957	+1.08(+1.64%)
Mar 07, 2011	66.62	66.89	66.00	66.07	438,744	-0.11(-0.16%)
Mar 04, 2011	66.98	67.00	66.13	66.18	432,809	-0.82(-1.22%)
Mar 03, 2011	66.55	67.30	66.33	67.00	540,228	+0.67(+1.01%)
Mar 02, 2011	66.57	66.95	66.23	66.33	413,138	-0.14(-0.21%)

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