Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2011	23.87	23.95	23.84	23.94	147,833	+0.10(+0.40%)
Nov 29, 2011	23.86	23.90	23.82	23.84	544,080	-0.03(-0.13%)
Nov 28, 2011	23.87	23.93	23.87	23.87	233,491	-0.02(-0.07%)
Nov 25, 2011	23.92	23.92	23.83	23.89	80,708	+0.06(+0.23%)
Nov 23, 2011	23.87	23.89	23.83	23.83	160,041	-0.02(-0.10%)
Nov 22, 2011	23.91	23.93	23.86	23.86	199,839	-0.07(-0.30%)
Nov 21, 2011	23.94	23.94	23.88	23.93	163,785	-0.04(-0.17%)
Nov 18, 2011	23.96	23.98	23.92	23.97	85,521	+0.01(+0.03%)
Nov 17, 2011	23.97	23.97	23.89	23.96	210,000	-0.01(-0.03%)
Nov 16, 2011	23.98	24.02	23.94	23.97	149,951	+0.00(+0.00%)
Nov 15, 2011	24.00	24.07	23.94	23.97	179,682	-0.02(-0.10%)
Nov 14, 2011	24.03	24.06	23.95	23.99	236,343	-0.06(-0.26%)
Nov 11, 2011	24.03	24.06	23.99	24.06	117,049	+0.02(+0.10%)
Nov 10, 2011	24.06	24.06	24.01	24.03	96,428	+0.00(+0.00%)
Nov 09, 2011	24.06	24.06	23.99	24.03	111,827	-0.01(-0.03%)
Nov 08, 2011	24.06	24.07	24.04	24.04	114,246	-0.02(-0.10%)
Nov 07, 2011	24.08	24.12	24.02	24.06	149,478	-0.06(-0.23%)
Nov 04, 2011	24.09	24.14	24.06	24.12	135,421	+0.01(+0.02%)
Nov 03, 2011	24.13	24.14	24.09	24.11	152,053	-0.02(-0.09%)
Nov 02, 2011	24.07	24.14	24.07	24.14	99,711	+0.06(+0.23%)
Nov 01, 2011	24.04	24.08	24.02	24.08	192,656	-0.03(-0.13%)
Oct 31, 2011	24.08	24.15	24.08	24.11	188,565	+0.02(+0.07%)
Oct 28, 2011	24.13	24.16	24.08	24.10	148,894	-0.05(-0.20%)
Oct 27, 2011	24.12	24.17	24.06	24.14	197,619	+0.10(+0.40%)
Oct 26, 2011	24.09	24.09	24.05	24.05	37,736	-0.05(-0.20%)
Oct 25, 2011	24.03	24.11	24.03	24.10	107,281	+0.03(+0.13%)
Oct 24, 2011	24.08	24.08	24.02	24.06	104,101	+0.04(+0.17%)
Oct 21, 2011	24.09	24.09	24.02	24.02	86,337	-0.02(-0.07%)
Oct 20, 2011	24.04	24.08	24.00	24.04	79,182	+0.02(+0.10%)
Oct 19, 2011	24.00	24.06	23.98	24.02	117,495	+0.02(+0.07%)
Oct 18, 2011	24.03	24.03	23.98	24.00	56,467	-0.01(-0.03%)
Oct 17, 2011	24.02	24.05	24.00	24.01	76,130	+0.02(+0.07%)
Oct 14, 2011	24.07	24.07	23.99	23.99	105,722	-0.04(-0.17%)
Oct 13, 2011	24.02	24.15	23.99	24.03	82,436	-0.02(-0.07%)
Oct 12, 2011	24.02	24.05	23.94	24.05	93,645	+0.09(+0.36%)
Oct 11, 2011	23.95	24.04	23.95	23.96	69,097	-0.06(-0.23%)
Oct 10, 2011	23.97	24.04	23.93	24.02	261,476	+0.04(+0.15%)
Oct 07, 2011	23.94	24.06	23.89	23.98	441,656	-0.03(-0.12%)
Oct 06, 2011	23.93	24.01	23.93	24.01	197,227	+0.04(+0.17%)
Oct 05, 2011	23.87	23.97	23.87	23.97	81,273	+0.04(+0.18%)
Oct 04, 2011	23.99	23.99	23.88	23.93	35,242	-0.08(-0.34%)
Oct 03, 2011	23.99	24.06	23.96	24.01	176,649	-0.06(-0.23%)
Sep 30, 2011	24.03	24.06	24.02	24.06	323,532	+0.05(+0.19%)
Sep 29, 2011	24.05	24.07	24.02	24.02	126,983	-0.01(-0.03%)
Sep 28, 2011	24.06	24.08	24.01	24.02	48,355	-0.06(-0.23%)
Sep 27, 2011	24.05	24.09	23.99	24.08	202,280	+0.00(+0.00%)
Sep 26, 2011	24.06	24.10	24.03	24.08	267,859	+0.05(+0.20%)
Sep 23, 2011	24.07	24.07	24.01	24.03	67,750	+0.01(+0.03%)
Sep 22, 2011	24.09	24.09	24.02	24.02	73,290	-0.07(-0.31%)
Sep 21, 2011	24.15	24.15	24.06	24.10	94,581	-0.05(-0.22%)
Sep 20, 2011	24.11	24.16	24.11	24.15	62,265	+0.00(+0.00%)
Sep 19, 2011	24.13	24.15	24.12	24.15	57,787	+0.04(+0.16%)
Sep 16, 2011	24.12	24.16	24.11	24.11	65,463	-0.02(-0.07%)
Sep 15, 2011	24.16	24.16	24.10	24.13	104,791	-0.02(-0.07%)
Sep 14, 2011	24.15	24.17	24.13	24.14	81,262	+0.00(+0.00%)
Sep 13, 2011	24.14	24.17	24.06	24.14	93,329	+0.02(+0.07%)
Sep 12, 2011	24.12	24.14	24.10	24.13	41,278	-0.02(-0.07%)
Sep 09, 2011	24.11	24.15	24.11	24.14	72,969	-0.02(-0.07%)
Sep 08, 2011	24.16	24.16	24.11	24.16	208,430	-0.02(-0.07%)
Sep 07, 2011	24.10	24.17	24.06	24.17	86,516	+0.10(+0.43%)
Sep 06, 2011	24.08	24.10	24.03	24.07	64,276	-0.02(-0.10%)
Sep 02, 2011	24.09	24.12	24.03	24.10	275,444	-0.01(-0.03%)

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