| Date | Value |
|---|
| Sep 10, 2010 | 769.00 |
| Sep 09, 2010 | 770.00 |
| Sep 08, 2010 | 775.00 |
| Sep 07, 2010 | 763.00 |
| Sep 06, 2010 | 770.00 |
| Sep 03, 2010 | 770.00 |
| Sep 02, 2010 | 771.00 |
| Sep 01, 2010 | 765.00 |
| Aug 31, 2010 | 756.00 |
| Aug 27, 2010 | 748.00 |
| Aug 26, 2010 | 739.00 |
| Aug 25, 2010 | 729.00 |
| Aug 24, 2010 | 741.00 |
| Aug 23, 2010 | 743.00 |
| Aug 20, 2010 | 741.00 |
| Aug 19, 2010 | 755.00 |
| Aug 18, 2010 | 745.00 |
| Aug 17, 2010 | 744.00 |
| Aug 16, 2010 | 734.00 |
| Aug 13, 2010 | 734.00 |
| Aug 12, 2010 | 729.00 |
| Aug 11, 2010 | 722.00 |
| Aug 10, 2010 | 716.00 |
| Aug 09, 2010 | 730.00 |
| Aug 06, 2010 | 732.00 |
| Aug 05, 2010 | 727.00 |
| Aug 04, 2010 | 721.00 |
| Aug 03, 2010 | 721.00 |
| Aug 02, 2010 | 728.00 |
| Jul 30, 2010 | 719.00 |
| Jul 29, 2010 | 716.00 |
| Jul 28, 2010 | 713.00 |
| Jul 27, 2010 | 711.00 |
| Jul 26, 2010 | 707.00 |
| Jul 23, 2010 | 703.00 |
| Jul 22, 2010 | 700.00 |
| Jul 21, 2010 | 690.00 |
| Jul 20, 2010 | 664.00 |
| Jul 19, 2010 | 660.00 |
| Jul 16, 2010 | 671.00 |
| Jul 15, 2010 | 677.00 |
| Jul 14, 2010 | 685.00 |
| Jul 13, 2010 | 682.00 |
| Jul 12, 2010 | 686.00 |
| Jul 09, 2010 | 685.00 |
| Jul 08, 2010 | 683.00 |
| Jul 07, 2010 | 678.00 |
| Jul 06, 2010 | 675.00 |
| Jul 05, 2010 | 670.00 |
| Jul 02, 2010 | 671.00 |
| Jul 01, 2010 | 674.00 |
| Jun 30, 2010 | 690.00 |
| Jun 29, 2010 | 703.00 |
| Jun 28, 2010 | 714.00 |
| Jun 25, 2010 | 701.00 |
| Jun 24, 2010 | 693.00 |
| Jun 23, 2010 | 697.00 |
| Jun 22, 2010 | 689.00 |
| Jun 21, 2010 | 695.00 |
| Jun 18, 2010 | 669.00 |
| Jun 17, 2010 | 682.00 |
| Jun 16, 2010 | 698.00 |
| Jun 15, 2010 | 700.00 |
| Jun 14, 2010 | 699.00 |
| Jun 11, 2010 | 691.00 |
| Jun 10, 2010 | 680.00 |
| Jun 09, 2010 | 683.00 |
| Jun 08, 2010 | 666.00 |
| Jun 07, 2010 | 670.00 |
| Jun 04, 2010 | 690.00 |
| Jun 03, 2010 | 702.00 |
| Jun 02, 2010 | 702.00 |
| Jun 01, 2010 | 715.00 |
| May 28, 2010 | 721.00 |
| May 27, 2010 | 721.00 |
| May 26, 2010 | 717.00 |
| May 25, 2010 | 709.00 |
| May 24, 2010 | 706.00 |
| May 21, 2010 | 688.00 |
| May 20, 2010 | 685.00 |
| May 19, 2010 | 690.00 |
| May 18, 2010 | 690.00 |
| May 17, 2010 | 707.00 |
| May 14, 2010 | 718.00 |
| May 12, 2010 | 719.00 |
| May 11, 2010 | 700.00 |
| May 10, 2010 | 709.00 |
| May 07, 2010 | 694.00 |
| May 06, 2010 | 700.00 |
| May 05, 2010 | 679.00 |
| May 04, 2010 | 703.00 |
| Apr 30, 2010 | 708.00 |
| Apr 29, 2010 | 716.00 |
| Apr 28, 2010 | 718.00 |
| Apr 27, 2010 | 733.00 |
| Apr 26, 2010 | 743.00 |
| Apr 23, 2010 | 736.00 |
| Apr 22, 2010 | 733.00 |
| Apr 21, 2010 | 732.00 |
| Apr 20, 2010 | 736.00 |
| Apr 19, 2010 | 728.00 |
| Apr 16, 2010 | 744.00 |
| Apr 15, 2010 | 739.00 |
| Apr 14, 2010 | 739.00 |
| Apr 13, 2010 | 734.00 |
| Apr 12, 2010 | 739.00 |
| Apr 09, 2010 | 747.00 |
| Apr 08, 2010 | 744.00 |
| Apr 07, 2010 | 750.00 |
| Apr 06, 2010 | 750.00 |
| Apr 01, 2010 | 742.00 |
| Mar 31, 2010 | 737.00 |
| Mar 30, 2010 | 734.00 |
| Mar 29, 2010 | 720.00 |
| Mar 26, 2010 | 712.00 |
| Mar 25, 2010 | 702.00 |
| Mar 24, 2010 | 698.00 |
| Mar 23, 2010 | 701.00 |
| Mar 22, 2010 | 692.00 |
| Mar 19, 2010 | 701.00 |
| Mar 18, 2010 | 697.00 |
| Mar 17, 2010 | 693.00 |
| Mar 16, 2010 | 684.00 |
| Mar 15, 2010 | 683.00 |
| Mar 12, 2010 | 691.00 |
| Mar 11, 2010 | 690.00 |
| Mar 10, 2010 | 704.00 |
| Mar 09, 2010 | 695.00 |
| Mar 08, 2010 | 703.00 |
| Mar 05, 2010 | 700.00 |
| Mar 04, 2010 | 697.00 |
| Mar 03, 2010 | 697.00 |
| Mar 02, 2010 | 692.00 |
| Mar 01, 2010 | 690.00 |
| Feb 26, 2010 | 666.00 |
| Feb 25, 2010 | 669.00 |
| Feb 24, 2010 | 665.00 |
| Feb 23, 2010 | 681.00 |
| Feb 22, 2010 | 688.00 |
| Feb 19, 2010 | 681.00 |
| Feb 18, 2010 | 669.00 |
| Feb 17, 2010 | 663.00 |
| Feb 16, 2010 | 653.00 |
| Feb 15, 2010 | 646.00 |
| Feb 12, 2010 | 642.00 |
| Feb 11, 2010 | 626.00 |
| Feb 10, 2010 | 619.00 |
| Feb 09, 2010 | 611.00 |
| Feb 08, 2010 | 599.00 |
| Feb 05, 2010 | 594.00 |
| Feb 04, 2010 | 617.00 |
| Feb 03, 2010 | 631.00 |
| Feb 02, 2010 | 633.00 |
| Feb 01, 2010 | 620.00 |
| Jan 29, 2010 | 634.00 |
| Jan 28, 2010 | 650.00 |
| Jan 27, 2010 | 662.00 |
| Jan 26, 2010 | 666.00 |
| Jan 25, 2010 | 669.00 |
| Jan 22, 2010 | 659.00 |
| Jan 21, 2010 | 670.00 |
| Jan 20, 2010 | 674.00 |
| Jan 19, 2010 | 665.00 |
| Jan 18, 2010 | 668.00 |
| Jan 15, 2010 | 661.00 |
| Jan 14, 2010 | 660.00 |
| Jan 13, 2010 | 651.00 |
| Jan 12, 2010 | 657.00 |
| Jan 11, 2010 | 673.00 |
| Jan 08, 2010 | 665.00 |
| Jan 07, 2010 | 675.00 |
| Jan 06, 2010 | 673.00 |
| Jan 05, 2010 | 659.00 |
| Jan 04, 2010 | 662.00 |
| Dec 31, 2009 | 650.00 |
| Dec 30, 2009 | 650.00 |
| Dec 29, 2009 | 639.00 |
| Dec 24, 2009 | 628.00 |
| Dec 23, 2009 | 621.00 |
| Dec 22, 2009 | 616.00 |
| Dec 21, 2009 | 616.00 |
| Dec 18, 2009 | 612.00 |
| Dec 17, 2009 | 616.00 |
| Dec 16, 2009 | 609.00 |
| Dec 15, 2009 | 600.00 |
| Dec 14, 2009 | 604.00 |
| Dec 11, 2009 | 596.00 |
| Dec 10, 2009 | 593.00 |
| Dec 09, 2009 | 601.00 |
| Dec 08, 2009 | 600.00 |
| Dec 07, 2009 | 597.00 |
| Dec 04, 2009 | 595.00 |
| Dec 03, 2009 | 596.00 |
| Dec 02, 2009 | 596.00 |
| Dec 01, 2009 | 592.00 |
| Nov 30, 2009 | 580.00 |
| Nov 27, 2009 | 581.00 |
| Nov 26, 2009 | 586.00 |
| Nov 25, 2009 | 587.00 |
| Nov 24, 2009 | 588.00 |
| Nov 23, 2009 | 593.00 |
| Nov 20, 2009 | 582.00 |
| Nov 19, 2009 | 584.00 |
| Nov 18, 2009 | 593.00 |
| Nov 17, 2009 | 582.00 |
| Nov 16, 2009 | 575.00 |
| Nov 13, 2009 | 564.00 |
| Nov 12, 2009 | 560.00 |
| Nov 11, 2009 | 566.00 |
| Nov 10, 2009 | 559.00 |
| Nov 09, 2009 | 566.00 |
| Nov 06, 2009 | 566.00 |
| Nov 05, 2009 | 568.00 |
| Nov 04, 2009 | 574.00 |
| Nov 03, 2009 | 565.00 |
| Nov 02, 2009 | 566.00 |
| Oct 30, 2009 | 572.00 |
| Oct 29, 2009 | 567.00 |
| Oct 28, 2009 | 567.00 |
| Oct 27, 2009 | 571.00 |
| Oct 26, 2009 | 574.00 |
| Oct 23, 2009 | 570.00 |
| Oct 22, 2009 | 565.00 |
| Oct 21, 2009 | 551.00 |
| Oct 20, 2009 | 558.00 |
| Oct 19, 2009 | 545.00 |
| Oct 16, 2009 | 541.00 |
| Oct 15, 2009 | 533.00 |
| Oct 14, 2009 | 542.00 |
| Oct 13, 2009 | 552.00 |
| Oct 12, 2009 | 552.00 |
| Oct 09, 2009 | 555.00 |
| Oct 08, 2009 | 553.00 |
| Oct 07, 2009 | 542.00 |
| Oct 06, 2009 | 538.00 |
| Oct 05, 2009 | 528.00 |
| Oct 02, 2009 | 532.00 |
| Oct 01, 2009 | 549.00 |
| Sep 30, 2009 | 548.00 |
| Sep 29, 2009 | 538.00 |
| Sep 28, 2009 | 532.00 |
| Sep 25, 2009 | 535.00 |
| Sep 24, 2009 | 542.00 |
| Sep 23, 2009 | 543.00 |
| Sep 22, 2009 | 556.00 |
| Sep 21, 2009 | 544.00 |
| Sep 18, 2009 | 552.00 |
| Sep 17, 2009 | 557.00 |
| Sep 16, 2009 | 559.00 |
| Sep 15, 2009 | 550.00 |
| Sep 14, 2009 | 551.00 |
| Sep 11, 2009 | 559.00 |
| Sep 10, 2009 | 564.00 |