Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	22.21	22.75	22.20	22.75	1,441,508	+0.46(+2.06%)
Feb 28, 2012	22.27	22.43	22.23	22.29	365,284	-0.05(-0.22%)
Feb 27, 2012	22.14	22.35	22.12	22.34	863,344	-0.26(-1.15%)
Feb 24, 2012	22.39	22.59	22.39	22.59	1,154,276	+0.59(+2.70%)
Feb 23, 2012	22.18	22.22	21.96	22.00	1,139,122	-0.22(-0.99%)
Feb 22, 2012	22.18	22.27	22.16	22.22	1,295,110	+0.32(+1.48%)
Feb 21, 2012	21.90	21.95	21.86	21.89	752,738	+0.11(+0.48%)
Feb 17, 2012	21.66	21.79	21.64	21.79	1,308,258	+0.31(+1.47%)
Feb 16, 2012	21.46	21.49	21.39	21.48	1,004,242	+0.31(+1.46%)
Feb 15, 2012	21.14	21.24	21.07	21.16	863,730	-0.05(-0.24%)
Feb 14, 2012	21.02	21.26	21.02	21.21	1,299,362	+0.47(+2.27%)
Feb 13, 2012	20.77	20.79	20.66	20.75	257,338	-0.04(-0.17%)
Feb 10, 2012	20.80	20.82	20.75	20.78	576,966	-0.03(-0.14%)
Feb 09, 2012	20.58	20.84	20.57	20.81	437,538	+0.36(+1.74%)
Feb 08, 2012	20.38	20.50	20.36	20.45	573,796	+0.12(+0.58%)
Feb 07, 2012	20.34	20.43	20.32	20.34	444,622	+0.10(+0.50%)
Feb 06, 2012	20.25	20.27	20.20	20.23	297,500	+0.00(+0.00%)
Feb 03, 2012	20.29	20.32	20.20	20.23	981,624	+0.19(+0.95%)
Feb 02, 2012	20.00	20.05	19.98	20.05	578,878	-0.01(-0.07%)
Feb 01, 2012	20.01	20.12	19.98	20.06	468,750	+0.00(+0.02%)
Jan 31, 2012	20.10	20.11	20.02	20.05	681,154	-0.05(-0.27%)
Jan 30, 2012	20.24	20.25	20.05	20.11	916,510	-0.19(-0.94%)
Jan 27, 2012	20.37	20.39	20.29	20.30	913,648	-0.41(-2.00%)
Jan 26, 2012	20.77	20.79	20.62	20.71	541,330	-0.14(-0.70%)
Jan 25, 2012	21.05	21.16	20.79	20.86	1,388,134	-0.00(-0.00%)
Jan 24, 2012	20.88	20.93	20.84	20.86	1,207,836	+0.39(+1.91%)
Jan 23, 2012	20.45	20.51	20.43	20.47	330,036	+0.00(+0.00%)
Jan 20, 2012	20.57	20.60	20.44	20.47	316,754	-0.08(-0.39%)
Jan 19, 2012	20.41	20.64	20.41	20.55	430,410	+0.18(+0.88%)
Jan 18, 2012	20.41	20.41	20.36	20.37	291,336	-0.02(-0.10%)
Jan 17, 2012	20.39	20.40	20.36	20.39	580,602	-0.06(-0.29%)
Jan 13, 2012	20.45	20.48	20.41	20.45	345,806	+0.07(+0.37%)
Jan 12, 2012	20.36	20.38	20.31	20.38	179,518	-0.05(-0.24%)
Jan 11, 2012	20.48	20.50	20.39	20.43	257,106	+0.03(+0.15%)
Jan 10, 2012	20.40	20.41	20.37	20.39	541,116	+0.00(+0.00%)
Jan 09, 2012	20.39	20.43	20.39	20.39	206,618	-0.09(-0.42%)
Jan 06, 2012	20.55	20.57	20.47	20.48	225,192	-0.14(-0.68%)
Jan 05, 2012	20.54	20.62	20.50	20.62	394,878	+0.28(+1.38%)
Jan 04, 2012	20.35	20.40	20.31	20.34	128,870	-0.14(-0.66%)
Dec 30, 2011	20.49	20.82	20.44	20.48	1,514,802	-0.34(-1.66%)
Dec 29, 2011	20.89	20.93	20.82	20.82	387,944	-0.16(-0.74%)
Dec 28, 2011	20.86	21.05	20.86	20.98	421,460	+0.04(+0.17%)
Dec 27, 2011	20.93	20.96	20.91	20.94	257,832	-0.11(-0.55%)
Dec 23, 2011	21.07	21.11	21.03	21.05	299,206	-0.01(-0.05%)
Dec 21, 2011	20.93	21.09	20.93	21.07	308,422	+0.12(+0.55%)
Dec 20, 2011	20.91	20.96	20.87	20.95	236,712	-0.08(-0.38%)
Dec 19, 2011	20.96	21.04	20.93	21.03	332,740	+0.12(+0.60%)
Dec 16, 2011	20.92	20.95	20.81	20.91	344,272	-0.06(-0.29%)
Dec 15, 2011	20.89	21.00	20.89	20.96	289,090	-0.07(-0.31%)
Dec 14, 2011	21.02	21.09	21.00	21.03	306,874	+0.02(+0.10%)
Dec 13, 2011	20.92	21.02	20.82	21.01	336,948	+0.05(+0.24%)
Dec 12, 2011	20.95	21.00	20.88	20.96	292,410	+0.20(+0.96%)
Dec 09, 2011	20.84	20.84	20.75	20.76	253,560	-0.10(-0.48%)
Dec 08, 2011	20.70	20.91	20.69	20.86	267,424	+0.02(+0.12%)
Dec 07, 2011	20.89	20.91	20.82	20.84	165,494	-0.03(-0.14%)
Dec 06, 2011	20.91	20.94	20.86	20.86	220,638	-0.01(-0.02%)
Dec 05, 2011	20.96	20.97	20.86	20.87	482,398	-0.15(-0.74%)
Dec 02, 2011	20.96	21.07	20.95	21.02	372,352	+0.15(+0.74%)
Dec 01, 2011	20.91	20.92	20.80	20.87	489,028	+0.08(+0.38%)
Nov 30, 2011	20.77	20.92	20.70	20.79	840,176	-0.16(-0.79%)
Nov 29, 2011	20.95	21.02	20.92	20.95	361,290	-0.06(-0.26%)
Nov 28, 2011	21.00	21.15	20.99	21.01	677,342	+0.14(+0.65%)
Nov 25, 2011	20.83	20.91	20.77	20.88	376,584	+0.20(+0.94%)
Nov 23, 2011	20.63	20.80	20.62	20.68	626,888	+0.20(+1.00%)
Nov 22, 2011	20.50	20.55	20.46	20.48	487,622	+0.00(+0.00%)
Nov 21, 2011	20.41	20.49	20.41	20.48	282,046	+0.04(+0.17%)
Nov 18, 2011	20.34	20.50	20.34	20.44	412,820	-0.02(-0.12%)
Nov 17, 2011	20.49	20.51	20.46	20.46	285,978	-0.02(-0.10%)
Nov 16, 2011	20.49	20.52	20.45	20.48	410,464	-0.06(-0.29%)
Nov 15, 2011	20.48	20.55	20.45	20.55	88,066	-0.00(-0.02%)
Nov 14, 2011	20.50	20.57	20.46	20.55	121,228	-0.01(-0.05%)
Nov 11, 2011	20.66	20.67	20.52	20.56	421,104	-0.29(-1.37%)
Nov 10, 2011	20.84	20.89	20.78	20.84	1,370,216	-0.10(-0.48%)
Nov 09, 2011	20.88	20.98	20.86	20.95	432,970	+0.07(+0.36%)
Nov 08, 2011	20.91	20.94	20.81	20.87	272,062	-0.18(-0.83%)
Nov 07, 2011	21.05	21.07	21.02	21.05	277,924	-0.10(-0.47%)
Nov 04, 2011	21.09	21.18	21.09	21.14	317,986	+0.09(+0.40%)
Nov 03, 2011	21.02	21.08	20.99	21.06	214,158	-0.02(-0.07%)
Nov 02, 2011	21.09	21.10	21.03	21.07	294,968	-0.15(-0.71%)
Nov 01, 2011	21.18	21.28	21.16	21.23	985,878	+0.08(+0.38%)
Oct 31, 2011	21.05	21.14	21.01	21.14	3,206,180	+1.24(+6.23%)
Oct 28, 2011	19.91	19.92	19.86	19.91	482,650	-0.08(-0.43%)
Oct 27, 2011	19.95	20.03	19.88	19.99	868,662	-0.17(-0.84%)
Oct 26, 2011	19.96	20.20	19.96	20.16	653,374	+0.15(+0.75%)
Oct 25, 2011	20.08	20.11	19.89	20.01	1,743,846	-0.06(-0.30%)
Oct 24, 2011	20.08	20.12	20.04	20.07	488,242	-0.04(-0.20%)
Oct 21, 2011	20.09	20.18	20.05	20.11	1,201,838	-0.39(-1.88%)
Oct 20, 2011	20.52	20.58	20.47	20.50	757,640	+0.04(+0.20%)
Oct 19, 2011	20.45	20.48	20.41	20.45	1,064,718	-0.01(-0.05%)
Oct 18, 2011	20.44	20.53	20.41	20.46	1,484,474	-0.02(-0.10%)
Oct 17, 2011	20.64	20.64	20.36	20.48	1,189,202	-0.20(-0.97%)
Oct 14, 2011	20.57	20.82	20.50	20.68	3,683,988	+0.19(+0.93%)

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