| Date | Value |
|---|
| May 20, 2013 | 21,000.00 |
| May 17, 2013 | 20,900.00 |
| May 16, 2013 | 20,625.00 |
| May 15, 2013 | 20,600.00 |
| May 14, 2013 | 20,650.00 |
| May 13, 2013 | 20,830.00 |
| May 10, 2013 | 20,775.00 |
| May 09, 2013 | 20,650.00 |
| May 08, 2013 | 20,385.00 |
| May 07, 2013 | 20,345.00 |
| May 03, 2013 | 19,975.00 |
| May 02, 2013 | 19,950.00 |
| May 01, 2013 | 19,775.00 |
| Apr 30, 2013 | 20,800.00 |
| Apr 29, 2013 | 20,775.00 |
| Apr 26, 2013 | 20,775.00 |
| Apr 25, 2013 | 20,830.00 |
| Apr 24, 2013 | 20,855.00 |
| Apr 23, 2013 | 20,650.00 |
| Apr 22, 2013 | 20,720.00 |
| Apr 19, 2013 | 21,000.00 |
| Apr 18, 2013 | 20,305.00 |
| Apr 17, 2013 | 20,700.00 |
| Apr 16, 2013 | 21,275.00 |
| Apr 15, 2013 | 21,250.00 |
| Apr 12, 2013 | 22,780.00 |
| Apr 11, 2013 | 22,750.00 |
| Apr 10, 2013 | 23,000.00 |
| Apr 09, 2013 | 22,875.00 |
| Apr 08, 2013 | 23,000.00 |
| Apr 05, 2013 | 22,725.00 |
| Apr 04, 2013 | 22,740.00 |
| Apr 03, 2013 | 22,775.00 |
| Apr 02, 2013 | 22,995.00 |
| Mar 28, 2013 | 23,150.00 |
| Mar 27, 2013 | 22,555.00 |
| Mar 26, 2013 | 22,980.00 |
| Mar 25, 2013 | 22,995.00 |
| Mar 22, 2013 | 22,750.00 |
| Mar 21, 2013 | 22,695.00 |
| Mar 20, 2013 | 23,120.00 |
| Mar 19, 2013 | 23,300.00 |
| Mar 18, 2013 | 23,205.00 |
| Mar 15, 2013 | 24,005.00 |
| Mar 14, 2013 | 24,000.00 |
| Mar 13, 2013 | 23,895.00 |
| Mar 12, 2013 | 23,825.00 |
| Mar 11, 2013 | 23,605.00 |
| Mar 08, 2013 | 23,750.00 |
| Mar 07, 2013 | 23,520.00 |
| Mar 06, 2013 | 23,470.00 |
| Mar 05, 2013 | 23,525.00 |
| Mar 04, 2013 | 23,350.00 |
| Mar 01, 2013 | 23,045.00 |
| Feb 28, 2013 | 23,535.00 |
| Feb 27, 2013 | 23,625.00 |
| Feb 26, 2013 | 23,175.00 |
| Feb 25, 2013 | 23,305.00 |
| Feb 22, 2013 | 23,295.00 |
| Feb 21, 2013 | 23,150.00 |
| Feb 20, 2013 | 23,900.00 |
| Feb 19, 2013 | 23,925.00 |
| Feb 18, 2013 | 24,700.00 |
| Feb 15, 2013 | 24,925.00 |
| Feb 14, 2013 | 24,780.00 |
| Feb 13, 2013 | 24,905.00 |
| Feb 12, 2013 | 24,925.00 |
| Feb 11, 2013 | 25,000.00 |
| Feb 08, 2013 | 24,875.00 |
| Feb 07, 2013 | 24,955.00 |
| Feb 06, 2013 | 24,850.00 |
| Feb 05, 2013 | 24,945.00 |
| Feb 04, 2013 | 24,945.00 |
| Feb 01, 2013 | 24,810.00 |
| Jan 31, 2013 | 25,100.00 |
| Jan 30, 2013 | 25,070.00 |
| Jan 29, 2013 | 24,480.00 |
| Jan 28, 2013 | 24,500.00 |
| Jan 25, 2013 | 24,710.00 |
| Jan 24, 2013 | 24,450.00 |
| Jan 23, 2013 | 24,850.00 |
| Jan 22, 2013 | 24,975.00 |
| Jan 21, 2013 | 25,025.00 |
| Jan 18, 2013 | 25,085.00 |
| Jan 17, 2013 | 25,200.00 |
| Jan 16, 2013 | 24,895.00 |
| Jan 15, 2013 | 24,785.00 |
| Jan 14, 2013 | 25,100.00 |
| Jan 11, 2013 | 24,700.00 |
| Jan 10, 2013 | 24,875.00 |
| Jan 09, 2013 | 24,450.00 |
| Jan 08, 2013 | 24,010.00 |
| Jan 07, 2013 | 23,745.00 |
| Jan 04, 2013 | 24,000.00 |
| Jan 03, 2013 | 24,150.00 |
| Jan 02, 2013 | 24,350.00 |
| Dec 31, 2012 | 23,500.00 |
| Dec 28, 2012 | 23,210.00 |
| Dec 27, 2012 | 23,350.00 |
| Dec 24, 2012 | 23,200.00 |
| Dec 21, 2012 | 23,350.00 |
| Dec 20, 2012 | 23,305.00 |
| Dec 19, 2012 | 23,660.00 |
| Dec 18, 2012 | 23,450.00 |
| Dec 17, 2012 | 23,325.00 |
| Dec 14, 2012 | 23,205.00 |
| Dec 13, 2012 | 22,900.00 |
| Dec 12, 2012 | 23,155.00 |
| Dec 11, 2012 | 23,025.00 |
| Dec 10, 2012 | 22,375.00 |
| Dec 07, 2012 | 21,620.00 |
| Dec 06, 2012 | 21,905.00 |
| Dec 05, 2012 | 21,870.00 |
| Dec 04, 2012 | 21,775.00 |
| Dec 03, 2012 | 21,860.00 |
| Nov 30, 2012 | 21,800.00 |
| Nov 29, 2012 | 21,610.00 |
| Nov 28, 2012 | 21,245.00 |
| Nov 27, 2012 | 21,135.00 |
| Nov 26, 2012 | 20,825.00 |
| Nov 23, 2012 | 20,595.00 |
| Nov 22, 2012 | 20,575.00 |
| Nov 21, 2012 | 20,630.00 |
| Nov 20, 2012 | 20,930.00 |
| Nov 19, 2012 | 20,575.00 |
| Nov 16, 2012 | 20,550.00 |
| Nov 15, 2012 | 20,410.00 |
| Nov 14, 2012 | 20,600.00 |
| Nov 13, 2012 | 20,380.00 |
| Nov 12, 2012 | 20,475.00 |
| Nov 09, 2012 | 20,245.00 |
| Nov 08, 2012 | 20,550.00 |
| Nov 07, 2012 | 20,600.00 |
| Nov 06, 2012 | 20,750.00 |
| Nov 05, 2012 | 20,175.00 |
| Nov 02, 2012 | 20,300.00 |
| Nov 01, 2012 | 20,450.00 |
| Oct 31, 2012 | 20,145.00 |
| Oct 30, 2012 | 20,070.00 |
| Oct 29, 2012 | 19,845.00 |
| Oct 26, 2012 | 19,925.00 |
| Oct 25, 2012 | 20,550.00 |
| Oct 24, 2012 | 20,375.00 |
| Oct 23, 2012 | 20,480.00 |
| Oct 22, 2012 | 20,955.00 |
| Oct 19, 2012 | 21,730.00 |
| Oct 18, 2012 | 21,800.00 |
| Oct 17, 2012 | 21,305.00 |
| Oct 16, 2012 | 21,425.00 |
| Oct 15, 2012 | 21,250.00 |
| Oct 12, 2012 | 21,785.00 |
| Oct 11, 2012 | 22,050.00 |
| Oct 10, 2012 | 21,685.00 |
| Oct 09, 2012 | 22,105.00 |
| Oct 08, 2012 | 22,100.00 |
| Oct 05, 2012 | 22,455.00 |
| Oct 04, 2012 | 22,230.00 |
| Oct 03, 2012 | 22,100.00 |
| Oct 02, 2012 | 22,110.00 |
| Oct 01, 2012 | 21,900.00 |
| Sep 28, 2012 | 21,655.00 |
| Sep 27, 2012 | 20,950.00 |
| Sep 26, 2012 | 20,995.00 |
| Sep 25, 2012 | 21,395.00 |
| Sep 24, 2012 | 20,410.00 |
| Sep 21, 2012 | 21,300.00 |
| Sep 20, 2012 | 20,575.00 |
| Sep 19, 2012 | 21,550.00 |
| Sep 18, 2012 | 21,305.00 |
| Sep 17, 2012 | 21,630.00 |
| Sep 14, 2012 | 21,415.00 |
| Sep 13, 2012 | 20,325.00 |
| Sep 12, 2012 | 21,050.00 |
| Sep 11, 2012 | 20,725.00 |
| Sep 10, 2012 | 20,275.00 |
| Sep 07, 2012 | 19,960.00 |
| Sep 06, 2012 | 19,560.00 |
| Sep 05, 2012 | 19,525.00 |
| Sep 04, 2012 | 19,660.00 |
| Sep 03, 2012 | 19,675.00 |
| Aug 31, 2012 | 19,645.00 |
| Aug 30, 2012 | 19,425.00 |
| Aug 29, 2012 | 20,300.00 |
| Aug 28, 2012 | 20,675.00 |
| Aug 24, 2012 | 20,320.00 |
| Aug 23, 2012 | 19,865.00 |
| Aug 22, 2012 | 18,825.00 |
| Aug 21, 2012 | 18,660.00 |
| Aug 20, 2012 | 18,450.00 |
| Aug 17, 2012 | 18,500.00 |
| Aug 16, 2012 | 18,005.00 |
| Aug 15, 2012 | 18,205.00 |
| Aug 14, 2012 | 18,125.00 |
| Aug 13, 2012 | 17,815.00 |
| Aug 10, 2012 | 17,900.00 |
| Aug 09, 2012 | 18,110.00 |
| Aug 08, 2012 | 18,125.00 |
| Aug 07, 2012 | 18,160.00 |
| Aug 06, 2012 | 17,710.00 |
| Aug 03, 2012 | 17,775.00 |
| Aug 02, 2012 | 17,650.00 |
| Aug 01, 2012 | 17,950.00 |