| Date | Value |
|---|
| May 24, 2013 | 785.00 |
| May 23, 2013 | 792.00 |
| May 22, 2013 | 808.00 |
| May 21, 2013 | 803.00 |
| May 20, 2013 | 792.00 |
| May 17, 2013 | 796.00 |
| May 16, 2013 | 775.00 |
| May 15, 2013 | 776.00 |
| May 14, 2013 | 778.00 |
| May 13, 2013 | 790.00 |
| May 10, 2013 | 792.00 |
| May 09, 2013 | 776.00 |
| May 08, 2013 | 777.00 |
| May 07, 2013 | 770.00 |
| May 03, 2013 | 759.00 |
| May 02, 2013 | 737.00 |
| May 01, 2013 | 741.00 |
| Apr 30, 2013 | 763.00 |
| Apr 29, 2013 | 763.00 |
| Apr 26, 2013 | 766.00 |
| Apr 25, 2013 | 761.00 |
| Apr 24, 2013 | 756.00 |
| Apr 23, 2013 | 747.00 |
| Apr 22, 2013 | 749.00 |
| Apr 19, 2013 | 754.00 |
| Apr 18, 2013 | 750.00 |
| Apr 17, 2013 | 757.00 |
| Apr 16, 2013 | 774.00 |
| Apr 15, 2013 | 768.00 |
| Apr 12, 2013 | 809.00 |
| Apr 11, 2013 | 805.00 |
| Apr 10, 2013 | 812.00 |
| Apr 09, 2013 | 810.00 |
| Apr 08, 2013 | 809.00 |
| Apr 05, 2013 | 807.00 |
| Apr 04, 2013 | 811.00 |
| Apr 03, 2013 | 816.00 |
| Apr 02, 2013 | 819.00 |
| Mar 28, 2013 | 833.00 |
| Mar 27, 2013 | 830.00 |
| Mar 26, 2013 | 833.00 |
| Mar 25, 2013 | 822.00 |
| Mar 22, 2013 | 824.00 |
| Mar 21, 2013 | 823.00 |
| Mar 20, 2013 | 826.00 |
| Mar 19, 2013 | 822.00 |
| Mar 18, 2013 | 823.00 |
| Mar 15, 2013 | 839.00 |
| Mar 14, 2013 | 846.00 |
| Mar 13, 2013 | 841.00 |
| Mar 12, 2013 | 843.00 |
| Mar 11, 2013 | 832.00 |
| Mar 08, 2013 | 830.00 |
| Mar 07, 2013 | 830.00 |
| Mar 06, 2013 | 830.00 |
| Mar 05, 2013 | 832.00 |
| Mar 04, 2013 | 836.00 |
| Mar 01, 2013 | 822.00 |
| Feb 28, 2013 | 836.00 |
| Feb 27, 2013 | 837.00 |
| Feb 26, 2013 | 832.00 |
| Feb 25, 2013 | 828.00 |
| Feb 22, 2013 | 831.00 |
| Feb 21, 2013 | 831.00 |
| Feb 20, 2013 | 836.00 |
| Feb 19, 2013 | 844.00 |
| Feb 18, 2013 | 848.00 |
| Feb 15, 2013 | 860.00 |
| Feb 14, 2013 | 860.00 |
| Feb 13, 2013 | 852.00 |
| Feb 12, 2013 | 852.00 |
| Feb 11, 2013 | 859.00 |
| Feb 08, 2013 | 856.00 |
| Feb 07, 2013 | 848.00 |
| Feb 06, 2013 | 848.00 |
| Feb 05, 2013 | 850.00 |
| Feb 04, 2013 | 849.00 |
| Feb 01, 2013 | 838.00 |
| Jan 31, 2013 | 846.00 |
| Jan 30, 2013 | 847.00 |
| Jan 29, 2013 | 837.00 |
| Jan 28, 2013 | 838.00 |
| Jan 25, 2013 | 842.00 |
| Jan 24, 2013 | 845.00 |
| Jan 23, 2013 | 853.00 |
| Jan 22, 2013 | 850.00 |
| Jan 21, 2013 | 849.00 |
| Jan 18, 2013 | 849.00 |
| Jan 17, 2013 | 840.00 |
| Jan 16, 2013 | 840.00 |
| Jan 15, 2013 | 839.00 |
| Jan 14, 2013 | 847.00 |
| Jan 11, 2013 | 854.00 |
| Jan 10, 2013 | 868.00 |
| Jan 09, 2013 | 864.00 |
| Jan 08, 2013 | 856.00 |
| Jan 07, 2013 | 855.00 |
| Jan 04, 2013 | 861.00 |
| Jan 03, 2013 | 864.00 |
| Jan 02, 2013 | 853.00 |
| Dec 31, 2012 | 838.00 |
| Dec 28, 2012 | 833.00 |
| Dec 27, 2012 | 829.00 |
| Dec 24, 2012 | 823.00 |
| Dec 21, 2012 | 824.00 |
| Dec 20, 2012 | 825.00 |
| Dec 19, 2012 | 836.00 |
| Dec 18, 2012 | 847.00 |
| Dec 17, 2012 | 847.00 |
| Dec 14, 2012 | 854.00 |
| Dec 13, 2012 | 850.00 |
| Dec 12, 2012 | 861.00 |
| Dec 11, 2012 | 860.00 |
| Dec 10, 2012 | 864.00 |
| Dec 07, 2012 | 846.00 |
| Dec 06, 2012 | 844.00 |
| Dec 05, 2012 | 843.00 |
| Dec 04, 2012 | 840.00 |
| Dec 03, 2012 | 842.00 |
| Nov 30, 2012 | 841.00 |
| Nov 29, 2012 | 834.00 |
| Nov 28, 2012 | 827.00 |
| Nov 27, 2012 | 828.00 |
| Nov 26, 2012 | 823.00 |
| Nov 23, 2012 | 818.00 |
| Nov 22, 2012 | 823.00 |
| Nov 21, 2012 | 826.00 |
| Nov 20, 2012 | 830.00 |
| Nov 19, 2012 | 825.00 |
| Nov 16, 2012 | 818.00 |
| Nov 15, 2012 | 818.00 |
| Nov 14, 2012 | 823.00 |
| Nov 13, 2012 | 820.00 |
| Nov 12, 2012 | 823.00 |
| Nov 09, 2012 | 814.00 |
| Nov 08, 2012 | 820.00 |
| Nov 07, 2012 | 820.00 |
| Nov 06, 2012 | 822.00 |
| Nov 05, 2012 | 814.00 |
| Nov 02, 2012 | 822.00 |
| Nov 01, 2012 | 822.00 |
| Oct 31, 2012 | 818.00 |
| Oct 30, 2012 | 816.00 |
| Oct 29, 2012 | 815.00 |
| Oct 26, 2012 | 819.00 |
| Oct 25, 2012 | 824.00 |
| Oct 24, 2012 | 827.00 |
| Oct 23, 2012 | 823.00 |
| Oct 22, 2012 | 832.00 |
| Oct 19, 2012 | 849.00 |
| Oct 18, 2012 | 853.00 |
| Oct 17, 2012 | 842.00 |
| Oct 16, 2012 | 851.00 |
| Oct 15, 2012 | 852.00 |
| Oct 12, 2012 | 859.00 |
| Oct 11, 2012 | 867.00 |
| Oct 10, 2012 | 861.00 |
| Oct 09, 2012 | 865.00 |
| Oct 08, 2012 | 859.00 |
| Oct 05, 2012 | 871.00 |
| Oct 04, 2012 | 875.00 |
| Oct 03, 2012 | 873.00 |
| Oct 02, 2012 | 878.00 |
| Oct 01, 2012 | 866.00 |
| Sep 28, 2012 | 869.00 |
| Sep 27, 2012 | 860.00 |
| Sep 26, 2012 | 857.00 |
| Sep 25, 2012 | 865.00 |
| Sep 24, 2012 | 852.00 |
| Sep 21, 2012 | 862.00 |
| Sep 20, 2012 | 854.00 |
| Sep 19, 2012 | 867.00 |
| Sep 18, 2012 | 854.00 |
| Sep 17, 2012 | 861.00 |
| Sep 14, 2012 | 869.00 |
| Sep 13, 2012 | 847.00 |
| Sep 12, 2012 | 854.00 |
| Sep 11, 2012 | 858.00 |
| Sep 10, 2012 | 852.00 |
| Sep 07, 2012 | 846.00 |
| Sep 06, 2012 | 829.00 |
| Sep 05, 2012 | 828.00 |
| Sep 04, 2012 | 829.00 |
| Sep 03, 2012 | 831.00 |
| Aug 31, 2012 | 824.00 |
| Aug 30, 2012 | 828.00 |
| Aug 29, 2012 | 826.00 |
| Aug 28, 2012 | 836.00 |
| Aug 24, 2012 | 835.00 |
| Aug 23, 2012 | 835.00 |
| Aug 22, 2012 | 826.00 |
| Aug 21, 2012 | 822.00 |
| Aug 20, 2012 | 820.00 |
| Aug 17, 2012 | 823.00 |
| Aug 16, 2012 | 816.00 |
| Aug 15, 2012 | 817.00 |
| Aug 14, 2012 | 814.00 |
| Aug 13, 2012 | 814.00 |
| Aug 10, 2012 | 819.00 |
| Aug 09, 2012 | 822.00 |
| Aug 08, 2012 | 822.00 |
| Aug 07, 2012 | 822.00 |
| Aug 06, 2012 | 809.00 |
| Aug 03, 2012 | 808.00 |
| Aug 02, 2012 | 813.00 |
| Aug 01, 2012 | 822.00 |
| Jul 31, 2012 | 832.00 |
| Jul 30, 2012 | 827.00 |
| Jul 27, 2012 | 828.00 |
| Jul 26, 2012 | 826.00 |
| Jul 25, 2012 | 826.00 |
| Jul 24, 2012 | 826.00 |
| Jul 23, 2012 | 828.00 |
| Jul 20, 2012 | 845.00 |
| Jul 19, 2012 | 854.00 |
| Jul 18, 2012 | 840.00 |
| Jul 17, 2012 | 844.00 |
| Jul 16, 2012 | 847.00 |
| Jul 13, 2012 | 850.00 |
| Jul 12, 2012 | 834.00 |
| Jul 11, 2012 | 831.00 |
| Jul 10, 2012 | 832.00 |
| Jul 09, 2012 | 829.00 |
| Jul 06, 2012 | 834.00 |
| Jul 05, 2012 | 839.00 |
| Jul 04, 2012 | 831.00 |
| Jul 03, 2012 | 836.00 |
| Jul 02, 2012 | 822.00 |
| Jun 29, 2012 | 820.00 |
| Jun 28, 2012 | 816.00 |
| Jun 27, 2012 | 804.00 |
| Jun 26, 2012 | 804.00 |
| Jun 25, 2012 | 805.00 |
| Jun 22, 2012 | 796.00 |
| Jun 21, 2012 | 803.00 |
| Jun 20, 2012 | 815.00 |
| Jun 19, 2012 | 816.00 |
| Jun 18, 2012 | 812.00 |
| Jun 15, 2012 | 817.00 |
| Jun 14, 2012 | 807.00 |
| Jun 13, 2012 | 812.00 |
| Jun 12, 2012 | 813.00 |
| Jun 11, 2012 | 813.00 |
| Jun 08, 2012 | 805.00 |
| Jun 07, 2012 | 816.00 |
| Jun 06, 2012 | 822.00 |
| Jun 01, 2012 | 821.00 |
| May 31, 2012 | 830.00 |
| May 30, 2012 | 832.00 |
| May 29, 2012 | 838.00 |
| May 28, 2012 | 837.00 |
| May 25, 2012 | 835.00 |
| May 24, 2012 | 830.00 |
| May 23, 2012 | 820.00 |
| May 22, 2012 | 827.00 |
| May 21, 2012 | 828.00 |
| May 18, 2012 | 832.00 |
| May 17, 2012 | 825.00 |
| May 16, 2012 | 827.00 |
| May 15, 2012 | 832.00 |
| May 14, 2012 | 841.00 |
| May 11, 2012 | 844.00 |
| May 10, 2012 | 853.00 |
| May 09, 2012 | 847.00 |
| May 08, 2012 | 858.00 |
| May 04, 2012 | 859.00 |
| May 03, 2012 | 862.00 |
| May 02, 2012 | 870.00 |
| May 01, 2012 | 880.00 |
| Apr 30, 2012 | 876.00 |
| Apr 27, 2012 | 868.00 |
| Apr 26, 2012 | 863.00 |
| Apr 25, 2012 | 852.00 |
| Apr 24, 2012 | 846.00 |
| Apr 23, 2012 | 840.00 |
| Apr 20, 2012 | 838.00 |
| Apr 19, 2012 | 835.00 |
| Apr 18, 2012 | 841.00 |
| Apr 17, 2012 | 840.00 |
| Apr 16, 2012 | 845.00 |
| Apr 13, 2012 | 852.00 |
| Apr 12, 2012 | 855.00 |
| Apr 11, 2012 | 850.00 |
| Apr 10, 2012 | 866.00 |
| Apr 05, 2012 | 872.00 |
| Apr 04, 2012 | 873.00 |
| Apr 03, 2012 | 875.00 |
| Apr 02, 2012 | 866.00 |
| Mar 30, 2012 | 869.00 |
| Mar 29, 2012 | 858.00 |
| Mar 28, 2012 | 863.00 |
| Mar 27, 2012 | 866.00 |
| Mar 26, 2012 | 870.00 |
| Mar 23, 2012 | 864.00 |
| Mar 22, 2012 | 862.00 |
| Mar 21, 2012 | 875.00 |
| Mar 20, 2012 | 876.00 |
| Mar 19, 2012 | 891.00 |
| Mar 16, 2012 | 901.00 |
| Mar 15, 2012 | 890.00 |
| Mar 14, 2012 | 890.00 |
| Mar 13, 2012 | 889.00 |
| Mar 12, 2012 | 875.00 |
| Mar 09, 2012 | 866.00 |
| Mar 08, 2012 | 866.00 |
| Mar 07, 2012 | 860.00 |
| Mar 06, 2012 | 868.00 |
| Mar 05, 2012 | 878.00 |
| Mar 02, 2012 | 886.00 |
| Mar 01, 2012 | 881.00 |
| Feb 29, 2012 | 878.00 |
| Feb 28, 2012 | 882.00 |
| Feb 27, 2012 | 864.00 |
| Feb 24, 2012 | 868.00 |
| Feb 23, 2012 | 872.00 |
| Feb 22, 2012 | 875.00 |
| Feb 21, 2012 | 870.00 |
| Feb 20, 2012 | 857.00 |
| Feb 17, 2012 | 880.00 |
| Feb 16, 2012 | 876.00 |
| Feb 15, 2012 | 884.00 |
| Feb 14, 2012 | 883.00 |
| Feb 13, 2012 | 891.00 |
| Feb 10, 2012 | 899.00 |
| Feb 09, 2012 | 891.00 |
| Feb 08, 2012 | 897.00 |
| Feb 07, 2012 | 879.00 |
| Feb 06, 2012 | 894.00 |
| Feb 03, 2012 | 874.00 |
| Feb 02, 2012 | 877.00 |
| Feb 01, 2012 | 879.00 |
| Jan 31, 2012 | 887.00 |
| Jan 30, 2012 | 882.00 |
| Jan 27, 2012 | 900.00 |
| Jan 26, 2012 | 888.00 |
| Jan 25, 2012 | 869.00 |
| Jan 24, 2012 | 865.00 |
| Jan 23, 2012 | 870.00 |
| Jan 20, 2012 | 868.00 |
| Jan 19, 2012 | 879.00 |
| Jan 18, 2012 | 867.00 |
| Jan 17, 2012 | 871.00 |
| Jan 16, 2012 | 861.00 |
| Jan 13, 2012 | 851.00 |
| Jan 12, 2012 | 850.00 |
| Jan 11, 2012 | 828.00 |
| Jan 10, 2012 | 819.00 |
| Jan 09, 2012 | 808.00 |
| Jan 06, 2012 | 805.00 |
| Jan 05, 2012 | 797.00 |
| Jan 04, 2012 | 805.00 |
| Jan 03, 2012 | 799.00 |