| Date | Value |
|---|
| May 23, 2013 | 664.62 |
| May 22, 2013 | 679.21 |
| May 21, 2013 | 674.05 |
| May 20, 2013 | 665.59 |
| May 17, 2013 | 669.30 |
| May 16, 2013 | 648.51 |
| May 15, 2013 | 649.79 |
| May 14, 2013 | 652.63 |
| May 13, 2013 | 665.81 |
| May 10, 2013 | 668.40 |
| May 09, 2013 | 654.17 |
| May 08, 2013 | 655.75 |
| May 07, 2013 | 650.07 |
| May 03, 2013 | 639.88 |
| May 02, 2013 | 615.52 |
| May 01, 2013 | 621.36 |
| Apr 30, 2013 | 637.86 |
| Apr 29, 2013 | 636.37 |
| Apr 26, 2013 | 639.77 |
| Apr 25, 2013 | 634.28 |
| Apr 24, 2013 | 629.49 |
| Apr 23, 2013 | 619.84 |
| Apr 22, 2013 | 623.03 |
| Apr 19, 2013 | 627.66 |
| Apr 18, 2013 | 629.91 |
| Apr 17, 2013 | 634.62 |
| Apr 16, 2013 | 647.19 |
| Apr 15, 2013 | 641.33 |
| Apr 12, 2013 | 675.14 |
| Apr 11, 2013 | 671.77 |
| Apr 10, 2013 | 676.50 |
| Apr 09, 2013 | 673.71 |
| Apr 08, 2013 | 672.23 |
| Apr 05, 2013 | 669.41 |
| Apr 04, 2013 | 672.49 |
| Apr 03, 2013 | 677.82 |
| Apr 02, 2013 | 679.66 |
| Mar 28, 2013 | 694.03 |
| Mar 27, 2013 | 694.94 |
| Mar 26, 2013 | 695.17 |
| Mar 25, 2013 | 688.84 |
| Mar 22, 2013 | 689.51 |
| Mar 21, 2013 | 688.30 |
| Mar 20, 2013 | 686.01 |
| Mar 19, 2013 | 683.09 |
| Mar 18, 2013 | 685.25 |
| Mar 15, 2013 | 696.01 |
| Mar 14, 2013 | 702.17 |
| Mar 13, 2013 | 701.14 |
| Mar 12, 2013 | 700.48 |
| Mar 11, 2013 | 692.05 |
| Mar 08, 2013 | 691.48 |
| Mar 07, 2013 | 690.72 |
| Mar 06, 2013 | 691.80 |
| Mar 05, 2013 | 693.56 |
| Mar 04, 2013 | 697.56 |
| Mar 01, 2013 | 687.02 |
| Feb 28, 2013 | 697.58 |
| Feb 27, 2013 | 699.50 |
| Feb 26, 2013 | 696.73 |
| Feb 25, 2013 | 691.66 |
| Feb 22, 2013 | 694.38 |
| Feb 21, 2013 | 696.24 |
| Feb 20, 2013 | 700.02 |
| Feb 19, 2013 | 706.02 |
| Feb 18, 2013 | 706.31 |
| Feb 15, 2013 | 717.74 |
| Feb 14, 2013 | 717.52 |
| Feb 13, 2013 | 711.47 |
| Feb 12, 2013 | 710.70 |
| Feb 11, 2013 | 715.70 |
| Feb 08, 2013 | 707.36 |
| Feb 07, 2013 | 707.36 |
| Feb 06, 2013 | 707.88 |
| Feb 05, 2013 | 710.27 |
| Feb 04, 2013 | 708.17 |
| Feb 01, 2013 | 698.24 |
| Jan 31, 2013 | 703.79 |
| Jan 30, 2013 | 704.69 |
| Jan 29, 2013 | 696.89 |
| Jan 28, 2013 | 696.69 |
| Jan 25, 2013 | 699.06 |
| Jan 24, 2013 | 703.26 |
| Jan 23, 2013 | 710.72 |
| Jan 22, 2013 | 707.52 |
| Jan 21, 2013 | 703.34 |
| Jan 18, 2013 | 705.93 |
| Jan 17, 2013 | 693.66 |
| Jan 16, 2013 | 696.72 |
| Jan 15, 2013 | 696.97 |
| Jan 14, 2013 | 703.18 |
| Jan 11, 2013 | 710.01 |
| Jan 10, 2013 | 722.36 |
| Jan 09, 2013 | 720.62 |
| Jan 08, 2013 | 718.30 |
| Jan 07, 2013 | 716.25 |
| Jan 04, 2013 | 720.25 |
| Jan 03, 2013 | 724.90 |
| Jan 02, 2013 | 711.79 |
| Dec 31, 2012 | 701.38 |
| Dec 28, 2012 | 698.25 |
| Dec 27, 2012 | 694.09 |
| Dec 24, 2012 | 689.04 |
| Dec 21, 2012 | 688.55 |
| Dec 20, 2012 | 691.35 |
| Dec 19, 2012 | 698.34 |
| Dec 18, 2012 | 709.68 |
| Dec 17, 2012 | 710.25 |
| Dec 14, 2012 | 718.32 |
| Dec 13, 2012 | 714.63 |
| Dec 12, 2012 | 725.07 |
| Dec 11, 2012 | 724.96 |
| Dec 10, 2012 | 731.91 |
| Dec 07, 2012 | 721.01 |
| Dec 06, 2012 | 716.56 |
| Dec 05, 2012 | 717.06 |
| Dec 04, 2012 | 713.04 |
| Dec 03, 2012 | 713.62 |
| Nov 30, 2012 | 715.22 |
| Nov 29, 2012 | 706.51 |
| Nov 28, 2012 | 701.09 |
| Nov 27, 2012 | 703.75 |
| Nov 26, 2012 | 701.45 |
| Nov 23, 2012 | 696.43 |
| Nov 22, 2012 | 700.64 |
| Nov 21, 2012 | 704.42 |
| Nov 20, 2012 | 706.41 |
| Nov 19, 2012 | 703.81 |
| Nov 16, 2012 | 696.42 |
| Nov 15, 2012 | 698.60 |
| Nov 14, 2012 | 702.73 |
| Nov 13, 2012 | 701.92 |
| Nov 12, 2012 | 701.52 |
| Nov 09, 2012 | 696.38 |
| Nov 08, 2012 | 699.67 |
| Nov 07, 2012 | 703.31 |
| Nov 06, 2012 | 700.96 |
| Nov 05, 2012 | 697.35 |
| Nov 02, 2012 | 704.91 |
| Nov 01, 2012 | 704.56 |
| Oct 31, 2012 | 702.99 |
| Oct 30, 2012 | 701.28 |
| Oct 29, 2012 | 700.47 |
| Oct 26, 2012 | 704.43 |
| Oct 25, 2012 | 706.23 |
| Oct 24, 2012 | 710.17 |
| Oct 23, 2012 | 706.50 |
| Oct 22, 2012 | 713.14 |
| Oct 19, 2012 | 725.74 |
| Oct 18, 2012 | 729.87 |
| Oct 17, 2012 | 721.55 |
| Oct 16, 2012 | 729.33 |
| Oct 15, 2012 | 731.35 |
| Oct 12, 2012 | 735.13 |
| Oct 11, 2012 | 740.94 |
| Oct 10, 2012 | 736.43 |
| Oct 09, 2012 | 737.88 |
| Oct 08, 2012 | 732.27 |
| Oct 05, 2012 | 742.95 |
| Oct 04, 2012 | 748.41 |
| Oct 03, 2012 | 751.36 |
| Oct 02, 2012 | 751.36 |
| Oct 01, 2012 | 740.17 |
| Sep 28, 2012 | 745.34 |
| Sep 27, 2012 | 740.70 |
| Sep 26, 2012 | 737.05 |
| Sep 25, 2012 | 743.32 |
| Sep 24, 2012 | 736.68 |
| Sep 21, 2012 | 741.70 |
| Sep 20, 2012 | 738.02 |
| Sep 19, 2012 | 745.13 |
| Sep 18, 2012 | 733.67 |
| Sep 17, 2012 | 736.26 |
| Sep 14, 2012 | 746.53 |
| Sep 13, 2012 | 728.30 |
| Sep 12, 2012 | 731.37 |
| Sep 11, 2012 | 736.55 |
| Sep 10, 2012 | 733.09 |
| Sep 07, 2012 | 722.30 |
| Sep 06, 2012 | 711.45 |
| Sep 05, 2012 | 709.74 |
| Sep 04, 2012 | 710.63 |
| Sep 03, 2012 | 712.08 |
| Aug 31, 2012 | 705.20 |
| Aug 30, 2012 | 710.47 |
| Aug 29, 2012 | 702.13 |
| Aug 28, 2012 | 710.03 |
| Aug 24, 2012 | 710.56 |
| Aug 23, 2012 | 714.76 |
| Aug 22, 2012 | 712.07 |
| Aug 21, 2012 | 708.31 |
| Aug 20, 2012 | 707.34 |
| Aug 17, 2012 | 710.63 |
| Aug 16, 2012 | 705.55 |
| Aug 15, 2012 | 705.04 |
| Aug 14, 2012 | 703.13 |
| Aug 13, 2012 | 705.63 |
| Aug 10, 2012 | 709.84 |
| Aug 09, 2012 | 713.20 |
| Aug 08, 2012 | 713.52 |
| Aug 07, 2012 | 713.71 |
| Aug 06, 2012 | 702.45 |
| Aug 03, 2012 | 699.81 |
| Aug 02, 2012 | 705.99 |
| Aug 01, 2012 | 713.94 |
| Jul 31, 2012 | 722.67 |
| Jul 30, 2012 | 718.30 |
| Jul 27, 2012 | 718.75 |
| Jul 26, 2012 | 719.71 |
| Jul 25, 2012 | 718.03 |
| Jul 24, 2012 | 717.07 |
| Jul 23, 2012 | 714.05 |
| Jul 20, 2012 | 729.38 |
| Jul 19, 2012 | 737.69 |
| Jul 18, 2012 | 726.68 |
| Jul 17, 2012 | 730.71 |
| Jul 16, 2012 | 733.19 |
| Jul 13, 2012 | 736.72 |
| Jul 12, 2012 | 721.87 |
| Jul 11, 2012 | 717.35 |
| Jul 10, 2012 | 718.84 |
| Jul 09, 2012 | 715.99 |
| Jul 06, 2012 | 718.88 |
| Jul 05, 2012 | 725.30 |
| Jul 04, 2012 | 716.85 |
| Jul 03, 2012 | 722.61 |
| Jul 02, 2012 | 709.18 |
| Jun 29, 2012 | 707.85 |
| Jun 28, 2012 | 700.40 |
| Jun 27, 2012 | 690.75 |
| Jun 26, 2012 | 690.31 |
| Jun 25, 2012 | 690.40 |
| Jun 22, 2012 | 684.72 |
| Jun 21, 2012 | 687.45 |
| Jun 20, 2012 | 697.71 |
| Jun 19, 2012 | 697.48 |
| Jun 18, 2012 | 694.02 |
| Jun 15, 2012 | 698.65 |
| Jun 14, 2012 | 688.59 |
| Jun 13, 2012 | 692.36 |
| Jun 12, 2012 | 692.71 |
| Jun 11, 2012 | 690.66 |
| Jun 08, 2012 | 683.81 |
| Jun 07, 2012 | 696.57 |
| Jun 06, 2012 | 699.84 |
| Jun 01, 2012 | 700.90 |
| May 31, 2012 | 710.05 |
| May 30, 2012 | 711.16 |
| May 29, 2012 | 717.27 |
| May 28, 2012 | 719.13 |
| May 25, 2012 | 716.06 |
| May 24, 2012 | 712.81 |
| May 23, 2012 | 705.63 |
| May 22, 2012 | 712.79 |
| May 21, 2012 | 714.20 |
| May 18, 2012 | 715.14 |
| May 17, 2012 | 710.41 |
| May 16, 2012 | 709.71 |
| May 15, 2012 | 714.19 |
| May 14, 2012 | 723.86 |
| May 11, 2012 | 728.81 |
| May 10, 2012 | 738.09 |
| May 09, 2012 | 727.19 |
| May 08, 2012 | 736.78 |
| May 04, 2012 | 735.90 |
| May 03, 2012 | 737.62 |
| May 02, 2012 | 744.39 |
| May 01, 2012 | 750.19 |
| Apr 30, 2012 | 750.31 |
| Apr 27, 2012 | 742.84 |
| Apr 26, 2012 | 736.62 |
| Apr 25, 2012 | 730.54 |
| Apr 24, 2012 | 725.76 |
| Apr 23, 2012 | 721.67 |
| Apr 20, 2012 | 718.12 |
| Apr 19, 2012 | 716.04 |
| Apr 18, 2012 | 721.33 |
| Apr 17, 2012 | 719.58 |
| Apr 16, 2012 | 721.62 |
| Apr 13, 2012 | 723.07 |
| Apr 12, 2012 | 726.21 |
| Apr 11, 2012 | 720.19 |
| Apr 10, 2012 | 735.95 |
| Apr 05, 2012 | 745.07 |
| Apr 04, 2012 | 747.00 |
| Apr 03, 2012 | 747.30 |
| Apr 02, 2012 | 739.67 |
| Mar 30, 2012 | 739.89 |
| Mar 29, 2012 | 733.34 |
| Mar 28, 2012 | 739.11 |
| Mar 27, 2012 | 741.41 |
| Mar 26, 2012 | 745.64 |
| Mar 23, 2012 | 739.35 |
| Mar 22, 2012 | 736.35 |
| Mar 21, 2012 | 744.45 |
| Mar 20, 2012 | 744.80 |
| Mar 19, 2012 | 757.50 |
| Mar 16, 2012 | 766.09 |
| Mar 15, 2012 | 756.29 |
| Mar 14, 2012 | 753.78 |
| Mar 13, 2012 | 756.73 |
| Mar 12, 2012 | 745.38 |
| Mar 09, 2012 | 738.97 |
| Mar 08, 2012 | 737.39 |
| Mar 07, 2012 | 732.89 |
| Mar 06, 2012 | 739.07 |
| Mar 05, 2012 | 749.83 |
| Mar 02, 2012 | 753.22 |
| Mar 01, 2012 | 747.52 |
| Feb 29, 2012 | 742.60 |
| Feb 28, 2012 | 748.57 |
| Feb 27, 2012 | 732.84 |
| Feb 24, 2012 | 732.38 |
| Feb 23, 2012 | 736.30 |
| Feb 22, 2012 | 738.96 |
| Feb 21, 2012 | 734.29 |
| Feb 20, 2012 | 723.54 |
| Feb 17, 2012 | 741.59 |
| Feb 16, 2012 | 736.07 |
| Feb 15, 2012 | 743.43 |
| Feb 14, 2012 | 741.38 |
| Feb 13, 2012 | 746.92 |
| Feb 10, 2012 | 754.08 |
| Feb 09, 2012 | 747.73 |
| Feb 08, 2012 | 751.44 |
| Feb 07, 2012 | 739.95 |
| Feb 06, 2012 | 753.88 |
| Feb 03, 2012 | 736.40 |
| Feb 02, 2012 | 739.25 |
| Feb 01, 2012 | 740.67 |