| Date | Value |
|---|
| May 21, 2013 | 1,833.50 |
| May 20, 2013 | 1,807.00 |
| May 17, 2013 | 1,813.00 |
| May 16, 2013 | 1,790.00 |
| May 15, 2013 | 1,792.50 |
| May 14, 2013 | 1,814.00 |
| May 13, 2013 | 1,824.00 |
| May 10, 2013 | 1,835.50 |
| May 09, 2013 | 1,847.00 |
| May 08, 2013 | 1,870.50 |
| May 07, 2013 | 1,840.50 |
| May 03, 2013 | 1,821.50 |
| May 02, 2013 | 1,824.00 |
| May 01, 2013 | 1,803.50 |
| Apr 30, 2013 | 1,854.00 |
| Apr 29, 2013 | 1,862.00 |
| Apr 26, 2013 | 1,887.00 |
| Apr 25, 2013 | 1,882.00 |
| Apr 24, 2013 | 1,861.00 |
| Apr 23, 2013 | 1,829.50 |
| Apr 22, 2013 | 1,836.50 |
| Apr 19, 2013 | 1,857.50 |
| Apr 18, 2013 | 1,841.50 |
| Apr 17, 2013 | 1,835.50 |
| Apr 16, 2013 | 1,861.00 |
| Apr 15, 2013 | 1,813.50 |
| Apr 12, 2013 | 1,843.50 |
| Apr 11, 2013 | 1,855.00 |
| Apr 10, 2013 | 1,892.00 |
| Apr 09, 2013 | 1,877.00 |
| Apr 08, 2013 | 1,861.00 |
| Apr 05, 2013 | 1,848.00 |
| Apr 04, 2013 | 1,836.00 |
| Apr 03, 2013 | 1,834.00 |
| Apr 02, 2013 | 1,843.50 |
| Mar 28, 2013 | 1,870.50 |
| Mar 27, 2013 | 1,854.00 |
| Mar 26, 2013 | 1,912.50 |
| Mar 25, 2013 | 1,909.50 |
| Mar 22, 2013 | 1,913.00 |
| Mar 21, 2013 | 1,918.00 |
| Mar 20, 2013 | 1,901.00 |
| Mar 19, 2013 | 1,888.00 |
| Mar 18, 2013 | 1,896.50 |
| Mar 15, 2013 | 1,947.50 |
| Mar 14, 2013 | 1,954.00 |
| Mar 13, 2013 | 1,979.00 |
| Mar 12, 2013 | 1,975.50 |
| Mar 11, 2013 | 1,916.50 |
| Mar 08, 2013 | 1,970.00 |
| Mar 07, 2013 | 1,963.00 |
| Mar 06, 2013 | 1,972.00 |
| Mar 05, 2013 | 1,984.00 |
| Mar 04, 2013 | 1,991.50 |
| Mar 01, 2013 | 2,002.00 |
| Feb 28, 2013 | 2,065.50 |
| Feb 27, 2013 | 2,084.00 |
| Feb 26, 2013 | 2,072.00 |
| Feb 25, 2013 | 2,083.00 |
| Feb 22, 2013 | 2,085.00 |
| Feb 21, 2013 | 2,086.50 |
| Feb 20, 2013 | 2,136.50 |
| Feb 19, 2013 | 2,122.00 |
| Feb 18, 2013 | 2,133.00 |
| Feb 15, 2013 | 2,168.00 |
| Feb 14, 2013 | 2,165.00 |
| Feb 13, 2013 | 2,187.50 |
| Feb 12, 2013 | 2,164.50 |
| Feb 11, 2013 | 2,186.00 |
| Feb 08, 2013 | 2,157.50 |
| Feb 07, 2013 | 2,137.00 |
| Feb 06, 2013 | 2,136.50 |
| Feb 05, 2013 | 2,145.00 |
| Feb 04, 2013 | 2,141.00 |
| Feb 01, 2013 | 2,130.00 |
| Jan 31, 2013 | 2,139.00 |
| Jan 30, 2013 | 2,119.00 |
| Jan 29, 2013 | 2,059.00 |
| Jan 28, 2013 | 2,070.50 |
| Jan 25, 2013 | 2,081.50 |
| Jan 24, 2013 | 2,057.00 |
| Jan 23, 2013 | 2,066.50 |
| Jan 22, 2013 | 2,026.50 |
| Jan 21, 2013 | 2,018.50 |
| Jan 18, 2013 | 2,028.50 |
| Jan 17, 2013 | 1,973.50 |
| Jan 16, 2013 | 1,942.00 |
| Jan 15, 2013 | 1,955.00 |
| Jan 14, 2013 | 1,996.00 |
| Jan 11, 2013 | 2,010.50 |
| Jan 10, 2013 | 2,018.50 |
| Jan 09, 2013 | 2,003.50 |
| Jan 08, 2013 | 1,977.00 |
| Jan 07, 2013 | 1,985.00 |
| Jan 04, 2013 | 2,023.50 |
| Jan 03, 2013 | 2,092.00 |
| Jan 02, 2013 | 2,087.00 |
| Dec 31, 2012 | 2,034.50 |
| Dec 28, 2012 | 2,041.00 |
| Dec 27, 2012 | 2,062.00 |
| Dec 24, 2012 | 2,055.00 |
| Dec 21, 2012 | 2,032.00 |
| Dec 20, 2012 | 2,031.50 |
| Dec 19, 2012 | 2,049.00 |
| Dec 18, 2012 | 2,056.00 |
| Dec 17, 2012 | 2,049.50 |
| Dec 14, 2012 | 2,058.50 |
| Dec 13, 2012 | 2,037.50 |
| Dec 12, 2012 | 2,059.00 |
| Dec 11, 2012 | 2,056.00 |
| Dec 10, 2012 | 2,045.50 |
| Dec 07, 2012 | 1,988.50 |
| Dec 06, 2012 | 2,014.00 |
| Dec 05, 2012 | 2,008.50 |
| Dec 04, 2012 | 2,011.50 |
| Dec 03, 2012 | 2,024.50 |
| Nov 30, 2012 | 2,028.00 |
| Nov 29, 2012 | 2,006.00 |
| Nov 28, 2012 | 1,957.00 |
| Nov 27, 2012 | 1,971.50 |
| Nov 26, 2012 | 1,967.50 |
| Nov 23, 2012 | 1,915.50 |
| Nov 22, 2012 | 1,898.00 |
| Nov 21, 2012 | 1,895.00 |
| Nov 20, 2012 | 1,903.00 |
| Nov 19, 2012 | 1,892.00 |
| Nov 16, 2012 | 1,895.50 |
| Nov 15, 2012 | 1,907.00 |
| Nov 14, 2012 | 1,921.50 |
| Nov 13, 2012 | 1,892.50 |
| Nov 12, 2012 | 1,873.00 |
| Nov 09, 2012 | 1,860.00 |
| Nov 08, 2012 | 1,888.50 |
| Nov 07, 2012 | 1,870.50 |
| Nov 06, 2012 | 1,842.00 |
| Nov 05, 2012 | 1,814.00 |
| Nov 02, 2012 | 1,851.00 |
| Nov 01, 2012 | 1,845.50 |
| Oct 31, 2012 | 1,835.50 |
| Oct 30, 2012 | 1,821.50 |
| Oct 29, 2012 | 1,785.00 |
| Oct 26, 2012 | 1,793.00 |
| Oct 25, 2012 | 1,821.50 |
| Oct 24, 2012 | 1,809.00 |
| Oct 23, 2012 | 1,797.00 |
| Oct 22, 2012 | 1,847.00 |
| Oct 19, 2012 | 1,864.00 |
| Oct 18, 2012 | 1,894.00 |
| Oct 17, 2012 | 1,859.50 |
| Oct 16, 2012 | 1,876.00 |
| Oct 15, 2012 | 1,887.50 |
| Oct 12, 2012 | 1,900.50 |
| Oct 11, 2012 | 1,950.50 |
| Oct 10, 2012 | 1,952.00 |
| Oct 09, 2012 | 1,999.00 |
| Oct 08, 2012 | 2,001.50 |
| Oct 05, 2012 | 2,032.00 |
| Oct 04, 2012 | 2,054.00 |
| Oct 03, 2012 | 2,056.00 |
| Oct 02, 2012 | 2,097.50 |
| Oct 01, 2012 | 2,037.50 |
| Sep 28, 2012 | 2,088.00 |
| Sep 27, 2012 | 2,052.00 |
| Sep 26, 2012 | 2,068.00 |
| Sep 25, 2012 | 2,092.00 |
| Sep 24, 2012 | 2,046.00 |
| Sep 21, 2012 | 2,097.00 |
| Sep 20, 2012 | 2,068.50 |
| Sep 19, 2012 | 2,105.00 |
| Sep 18, 2012 | 2,049.50 |
| Sep 17, 2012 | 2,054.00 |
| Sep 14, 2012 | 2,073.00 |
| Sep 13, 2012 | 1,984.50 |
| Sep 12, 2012 | 1,999.00 |
| Sep 11, 2012 | 1,976.50 |
| Sep 10, 2012 | 1,963.50 |
| Sep 07, 2012 | 1,915.00 |
| Sep 06, 2012 | 1,873.00 |
| Sep 05, 2012 | 1,844.50 |
| Sep 04, 2012 | 1,857.00 |
| Sep 03, 2012 | 1,836.00 |
| Aug 31, 2012 | 1,806.00 |
| Aug 30, 2012 | 1,832.50 |
| Aug 29, 2012 | 1,835.00 |
| Aug 28, 2012 | 1,847.50 |
| Aug 24, 2012 | 1,836.50 |
| Aug 23, 2012 | 1,829.50 |
| Aug 22, 2012 | 1,804.00 |
| Aug 21, 2012 | 1,799.50 |
| Aug 20, 2012 | 1,759.50 |
| Aug 17, 2012 | 1,778.50 |
| Aug 16, 2012 | 1,765.50 |
| Aug 15, 2012 | 1,782.00 |
| Aug 14, 2012 | 1,793.00 |
| Aug 13, 2012 | 1,820.50 |
| Aug 10, 2012 | 1,823.00 |
| Aug 09, 2012 | 1,845.00 |
| Aug 08, 2012 | 1,843.50 |
| Aug 07, 2012 | 1,847.50 |
| Aug 06, 2012 | 1,823.50 |
| Aug 03, 2012 | 1,807.00 |
| Aug 02, 2012 | 1,808.00 |
| Aug 01, 2012 | 1,816.50 |