| Date | Value |
|---|
| May 24, 2013 | 14,755.00 |
| May 23, 2013 | 14,755.00 |
| May 22, 2013 | 15,165.00 |
| May 21, 2013 | 15,035.00 |
| May 20, 2013 | 14,850.00 |
| May 17, 2013 | 14,855.00 |
| May 16, 2013 | 14,770.00 |
| May 15, 2013 | 14,830.00 |
| May 14, 2013 | 15,105.00 |
| May 13, 2013 | 15,235.00 |
| May 10, 2013 | 15,325.00 |
| May 09, 2013 | 15,335.00 |
| May 08, 2013 | 15,440.00 |
| May 07, 2013 | 14,965.00 |
| May 03, 2013 | 14,910.00 |
| May 02, 2013 | 14,770.00 |
| May 01, 2013 | 14,975.00 |
| Apr 30, 2013 | 15,200.00 |
| Apr 29, 2013 | 15,285.00 |
| Apr 26, 2013 | 15,280.00 |
| Apr 25, 2013 | 15,135.00 |
| Apr 24, 2013 | 15,205.00 |
| Apr 23, 2013 | 15,085.00 |
| Apr 22, 2013 | 15,180.00 |
| Apr 19, 2013 | 15,230.00 |
| Apr 18, 2013 | 15,390.00 |
| Apr 17, 2013 | 15,350.00 |
| Apr 16, 2013 | 15,730.00 |
| Apr 15, 2013 | 15,455.00 |
| Apr 12, 2013 | 15,950.00 |
| Apr 11, 2013 | 15,955.00 |
| Apr 10, 2013 | 16,150.00 |
| Apr 09, 2013 | 16,070.00 |
| Apr 08, 2013 | 16,135.00 |
| Apr 05, 2013 | 15,930.00 |
| Apr 04, 2013 | 16,040.00 |
| Apr 03, 2013 | 16,190.00 |
| Apr 02, 2013 | 16,390.00 |
| Mar 28, 2013 | 16,540.00 |
| Mar 27, 2013 | 16,670.00 |
| Mar 26, 2013 | 16,950.00 |
| Mar 25, 2013 | 16,930.00 |
| Mar 22, 2013 | 16,830.00 |
| Mar 21, 2013 | 16,850.00 |
| Mar 20, 2013 | 16,725.00 |
| Mar 19, 2013 | 16,610.00 |
| Mar 18, 2013 | 16,555.00 |
| Mar 15, 2013 | 17,105.00 |
| Mar 14, 2013 | 16,985.00 |
| Mar 13, 2013 | 17,065.00 |
| Mar 12, 2013 | 16,970.00 |
| Mar 11, 2013 | 16,650.00 |
| Mar 08, 2013 | 16,560.00 |
| Mar 07, 2013 | 16,515.00 |
| Mar 06, 2013 | 16,575.00 |
| Mar 05, 2013 | 16,505.00 |
| Mar 04, 2013 | 16,540.00 |
| Mar 01, 2013 | 16,425.00 |
| Feb 28, 2013 | 16,660.00 |
| Feb 27, 2013 | 16,710.00 |
| Feb 26, 2013 | 16,525.00 |
| Feb 25, 2013 | 16,710.00 |
| Feb 22, 2013 | 16,745.00 |
| Feb 21, 2013 | 16,775.00 |
| Feb 20, 2013 | 17,200.00 |
| Feb 19, 2013 | 17,585.00 |
| Feb 18, 2013 | 17,935.00 |
| Feb 15, 2013 | 18,250.00 |
| Feb 14, 2013 | 18,290.00 |
| Feb 13, 2013 | 18,280.00 |
| Feb 12, 2013 | 18,285.00 |
| Feb 11, 2013 | 18,250.00 |
| Feb 08, 2013 | 18,220.00 |
| Feb 07, 2013 | 18,220.00 |
| Feb 06, 2013 | 18,490.00 |
| Feb 05, 2013 | 18,565.00 |
| Feb 04, 2013 | 18,600.00 |
| Feb 01, 2013 | 18,380.00 |
| Jan 31, 2013 | 18,375.00 |
| Jan 30, 2013 | 18,205.00 |
| Jan 29, 2013 | 17,625.00 |
| Jan 28, 2013 | 17,410.00 |
| Jan 25, 2013 | 17,265.00 |
| Jan 24, 2013 | 17,300.00 |
| Jan 23, 2013 | 17,485.00 |
| Jan 22, 2013 | 17,375.00 |
| Jan 21, 2013 | 17,380.00 |
| Jan 18, 2013 | 17,630.00 |
| Jan 17, 2013 | 17,385.00 |
| Jan 16, 2013 | 17,285.00 |
| Jan 15, 2013 | 17,190.00 |
| Jan 14, 2013 | 17,360.00 |
| Jan 11, 2013 | 17,325.00 |
| Jan 10, 2013 | 17,540.00 |
| Jan 09, 2013 | 17,440.00 |
| Jan 08, 2013 | 17,145.00 |
| Jan 07, 2013 | 17,215.00 |
| Jan 04, 2013 | 17,325.00 |
| Jan 03, 2013 | 17,540.00 |
| Jan 02, 2013 | 17,425.00 |
| Dec 31, 2012 | 17,085.00 |
| Dec 28, 2012 | 17,100.00 |
| Dec 27, 2012 | 17,230.00 |
| Dec 24, 2012 | 17,015.00 |
| Dec 21, 2012 | 17,385.00 |
| Dec 20, 2012 | 17,525.00 |
| Dec 19, 2012 | 17,585.00 |
| Dec 18, 2012 | 17,650.00 |
| Dec 17, 2012 | 17,555.00 |
| Dec 14, 2012 | 17,705.00 |
| Dec 13, 2012 | 17,430.00 |
| Dec 12, 2012 | 17,760.00 |
| Dec 11, 2012 | 17,605.00 |
| Dec 10, 2012 | 17,330.00 |
| Dec 07, 2012 | 17,025.00 |
| Dec 06, 2012 | 17,380.00 |
| Dec 05, 2012 | 17,445.00 |
| Dec 04, 2012 | 17,315.00 |
| Dec 03, 2012 | 17,600.00 |
| Nov 30, 2012 | 17,100.00 |
| Nov 29, 2012 | 17,225.00 |
| Nov 28, 2012 | 16,900.00 |
| Nov 27, 2012 | 16,670.00 |
| Nov 26, 2012 | 16,675.00 |
| Nov 23, 2012 | 16,530.00 |
| Nov 22, 2012 | 16,685.00 |
| Nov 21, 2012 | 16,510.00 |
| Nov 20, 2012 | 16,335.00 |
| Nov 19, 2012 | 16,060.00 |
| Nov 16, 2012 | 15,880.00 |
| Nov 15, 2012 | 16,015.00 |
| Nov 14, 2012 | 15,985.00 |
| Nov 13, 2012 | 15,910.00 |
| Nov 12, 2012 | 15,930.00 |
| Nov 09, 2012 | 15,890.00 |
| Nov 08, 2012 | 15,960.00 |
| Nov 07, 2012 | 16,000.00 |
| Nov 06, 2012 | 15,975.00 |
| Nov 05, 2012 | 15,850.00 |
| Nov 02, 2012 | 16,150.00 |
| Nov 01, 2012 | 16,310.00 |
| Oct 31, 2012 | 16,235.00 |
| Oct 30, 2012 | 16,000.00 |
| Oct 29, 2012 | 15,870.00 |
| Oct 26, 2012 | 16,100.00 |
| Oct 25, 2012 | 16,405.00 |
| Oct 24, 2012 | 16,300.00 |
| Oct 23, 2012 | 16,185.00 |
| Oct 22, 2012 | 16,730.00 |
| Oct 19, 2012 | 17,005.00 |
| Oct 18, 2012 | 17,135.00 |
| Oct 17, 2012 | 16,805.00 |
| Oct 16, 2012 | 17,030.00 |
| Oct 15, 2012 | 17,205.00 |
| Oct 12, 2012 | 17,235.00 |
| Oct 11, 2012 | 17,645.00 |
| Oct 10, 2012 | 17,735.00 |
| Oct 09, 2012 | 17,930.00 |
| Oct 08, 2012 | 17,930.00 |
| Oct 05, 2012 | 18,575.00 |
| Oct 04, 2012 | 18,650.00 |
| Oct 03, 2012 | 18,620.00 |
| Oct 02, 2012 | 18,840.00 |
| Oct 01, 2012 | 18,480.00 |
| Sep 28, 2012 | 18,520.00 |
| Sep 27, 2012 | 18,155.00 |
| Sep 26, 2012 | 17,930.00 |
| Sep 25, 2012 | 18,275.00 |
| Sep 24, 2012 | 17,810.00 |
| Sep 21, 2012 | 18,005.00 |
| Sep 20, 2012 | 17,600.00 |
| Sep 19, 2012 | 17,780.00 |
| Sep 18, 2012 | 17,800.00 |
| Sep 17, 2012 | 17,955.00 |
| Sep 14, 2012 | 17,525.00 |
| Sep 13, 2012 | 16,680.00 |
| Sep 12, 2012 | 16,825.00 |
| Sep 11, 2012 | 16,625.00 |
| Sep 10, 2012 | 16,525.00 |
| Sep 07, 2012 | 16,155.00 |
| Sep 06, 2012 | 16,105.00 |
| Sep 05, 2012 | 15,835.00 |
| Sep 04, 2012 | 16,100.00 |
| Sep 03, 2012 | 16,105.00 |
| Aug 31, 2012 | 15,875.00 |
| Aug 30, 2012 | 16,280.00 |
| Aug 29, 2012 | 16,235.00 |
| Aug 28, 2012 | 16,210.00 |
| Aug 24, 2012 | 16,430.00 |
| Aug 23, 2012 | 16,135.00 |
| Aug 22, 2012 | 15,755.00 |
| Aug 21, 2012 | 15,610.00 |
| Aug 20, 2012 | 15,350.00 |
| Aug 17, 2012 | 15,435.00 |
| Aug 16, 2012 | 15,190.00 |
| Aug 15, 2012 | 15,230.00 |
| Aug 14, 2012 | 15,555.00 |
| Aug 13, 2012 | 15,320.00 |
| Aug 10, 2012 | 15,225.00 |
| Aug 09, 2012 | 15,450.00 |
| Aug 08, 2012 | 15,480.00 |
| Aug 07, 2012 | 15,660.00 |
| Aug 06, 2012 | 15,455.00 |
| Aug 03, 2012 | 15,400.00 |
| Aug 02, 2012 | 15,480.00 |
| Aug 01, 2012 | 15,710.00 |
| Jul 31, 2012 | 16,000.00 |
| Jul 30, 2012 | 16,020.00 |
| Jul 27, 2012 | 15,860.00 |
| Jul 26, 2012 | 15,930.00 |
| Jul 25, 2012 | 15,715.00 |
| Jul 24, 2012 | 15,605.00 |
| Jul 23, 2012 | 15,650.00 |
| Jul 20, 2012 | 15,830.00 |
| Jul 19, 2012 | 16,180.00 |
| Jul 18, 2012 | 15,985.00 |
| Jul 17, 2012 | 16,125.00 |
| Jul 16, 2012 | 15,960.00 |
| Jul 13, 2012 | 16,155.00 |
| Jul 12, 2012 | 15,840.00 |
| Jul 11, 2012 | 16,165.00 |
| Jul 10, 2012 | 16,180.00 |
| Jul 09, 2012 | 16,245.00 |
| Jul 06, 2012 | 16,460.00 |
| Jul 05, 2012 | 16,915.00 |
| Jul 04, 2012 | 17,000.00 |
| Jul 03, 2012 | 17,105.00 |
| Jul 02, 2012 | 16,575.00 |
| Jun 29, 2012 | 16,475.00 |
| Jun 28, 2012 | 16,375.00 |
| Jun 27, 2012 | 16,180.00 |
| Jun 26, 2012 | 16,255.00 |
| Jun 25, 2012 | 16,330.00 |
| Jun 22, 2012 | 16,270.00 |
| Jun 21, 2012 | 16,780.00 |
| Jun 20, 2012 | 17,040.00 |
| Jun 19, 2012 | 16,675.00 |
| Jun 18, 2012 | 16,625.00 |
| Jun 15, 2012 | 16,610.00 |
| Jun 14, 2012 | 16,775.00 |
| Jun 13, 2012 | 17,085.00 |
| Jun 12, 2012 | 17,085.00 |
| Jun 11, 2012 | 16,815.00 |
| Jun 08, 2012 | 16,335.00 |
| Jun 07, 2012 | 16,450.00 |
| Jun 06, 2012 | 16,060.00 |
| Jun 01, 2012 | 16,025.00 |
| May 31, 2012 | 16,375.00 |
| May 30, 2012 | 16,390.00 |
| May 29, 2012 | 16,885.00 |
| May 28, 2012 | 16,980.00 |
| May 25, 2012 | 16,980.00 |