Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	19.22	19.44	18.39	19.41	488,149	+0.13(+0.66%)
Jul 28, 2011	19.41	19.44	19.28	19.28	247,810	-0.10(-0.50%)
Jul 27, 2011	19.37	19.49	19.31	19.38	290,302	-0.06(-0.30%)
Jul 26, 2011	19.64	19.64	19.40	19.44	211,002	-0.15(-0.79%)
Jul 25, 2011	19.75	19.82	19.58	19.59	486,694	-0.28(-1.42%)
Jul 22, 2011	19.92	19.92	19.84	19.88	275,620	+0.13(+0.65%)
Jul 21, 2011	19.84	19.96	19.60	19.75	600,541	-0.01(-0.06%)
Jul 20, 2011	19.95	20.04	19.72	19.76	383,449	-0.17(-0.87%)
Jul 19, 2011	19.97	20.08	19.86	19.93	173,427	-0.04(-0.19%)
Jul 18, 2011	20.08	20.08	19.92	19.97	113,938	-0.15(-0.77%)
Jul 15, 2011	20.10	20.24	20.00	20.13	256,977	+0.06(+0.32%)
Jul 14, 2011	20.19	20.29	20.00	20.06	202,672	-0.04(-0.19%)
Jul 13, 2011	20.40	20.43	20.09	20.10	304,364	-0.22(-1.08%)
Jul 12, 2011	20.38	20.44	20.28	20.32	170,752	-0.08(-0.38%)
Jul 11, 2011	20.47	20.48	20.25	20.40	228,372	-0.15(-0.75%)
Jul 08, 2011	20.48	20.58	20.42	20.55	207,445	-0.05(-0.22%)
Jul 07, 2011	20.63	20.68	20.50	20.60	196,005	+0.08(+0.38%)
Jul 06, 2011	20.52	20.55	20.29	20.52	214,320	-0.02(-0.09%)
Jul 05, 2011	20.49	20.63	20.34	20.54	406,121	+0.08(+0.38%)
Jul 01, 2011	20.43	20.56	20.41	20.46	216,382	+0.01(+0.06%)
Jun 30, 2011	20.10	20.81	20.10	20.45	837,784	+0.36(+1.79%)
Jun 29, 2011	20.00	20.16	19.93	20.09	344,600	+0.08(+0.39%)
Jun 28, 2011	19.92	20.02	19.78	20.01	584,486	+0.15(+0.74%)
Jun 27, 2011	19.90	19.92	19.78	19.86	381,957	-0.04(-0.19%)
Jun 24, 2011	19.83	19.90	19.77	19.90	261,809	+0.06(+0.32%)
Jun 23, 2011	19.73	19.91	19.46	19.84	508,938	-0.02(-0.10%)
Jun 22, 2011	19.79	19.89	19.71	19.86	291,555	+0.06(+0.29%)
Jun 21, 2011	19.82	19.82	19.70	19.80	346,883	+0.05(+0.23%)
Jun 20, 2011	19.59	19.77	19.57	19.75	311,307	-0.15(-0.74%)
Jun 17, 2011	19.60	19.90	19.05	19.90	928,774	+0.37(+1.91%)
Jun 16, 2011	19.63	19.68	19.35	19.53	485,174	-0.06(-0.30%)
Jun 15, 2011	19.70	19.86	19.41	19.59	494,298	-0.24(-1.23%)
Jun 14, 2011	19.83	19.86	19.70	19.83	687,975	+0.03(+0.16%)
Jun 13, 2011	19.99	19.99	19.63	19.80	433,516	-0.24(-1.22%)
Jun 10, 2011	19.64	20.04	19.61	20.04	1,601,089	+0.24(+1.20%)
Jun 09, 2011	19.57	19.84	19.47	19.81	6,725,945	-0.65(-3.17%)
Jun 08, 2011	20.43	20.52	20.27	20.45	125,091	+0.09(+0.44%)
Jun 07, 2011	20.55	20.68	20.33	20.36	181,555	-0.03(-0.13%)
Jun 06, 2011	20.34	20.46	20.25	20.39	142,366	-0.03(-0.13%)
Jun 03, 2011	20.29	20.45	20.24	20.42	80,050	-0.27(-1.30%)
May 24, 2011	20.69	20.87	20.59	20.69	99,906	+0.05(+0.22%)
May 23, 2011	20.56	20.72	20.55	20.64	125,941	-0.15(-0.74%)
May 20, 2011	20.69	20.88	20.60	20.79	120,614	+0.10(+0.50%)
May 19, 2011	20.49	20.78	20.49	20.69	187,106	+0.27(+1.32%)
May 18, 2011	20.14	20.60	20.14	20.42	256,671	+0.28(+1.37%)
May 17, 2011	20.22	20.42	19.93	20.15	178,668	-0.10(-0.48%)
May 16, 2011	20.62	20.62	20.24	20.24	173,990	-0.35(-1.72%)
May 13, 2011	20.80	21.03	20.51	20.60	208,928	-0.20(-0.96%)
May 12, 2011	21.56	21.56	20.66	20.79	561,519	-0.75(-3.46%)
May 11, 2011	21.86	22.01	21.49	21.54	130,581	-0.31(-1.41%)
May 10, 2011	21.98	22.07	21.76	21.85	73,352	-0.10(-0.47%)
May 09, 2011	21.74	22.15	21.74	21.95	149,823	+0.24(+1.10%)
May 06, 2011	21.22	22.18	21.22	21.71	174,512	+0.54(+2.55%)
May 05, 2011	21.19	21.52	20.95	21.17	169,680	-0.11(-0.51%)
May 04, 2011	21.62	21.85	21.12	21.28	177,756	-0.51(-2.33%)
May 03, 2011	21.80	21.91	21.65	21.79	187,913	-0.15(-0.70%)

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