| Date | Value |
|---|
| May 17, 2012 | 825.00 |
| May 16, 2012 | 827.00 |
| May 15, 2012 | 832.00 |
| May 14, 2012 | 841.00 |
| May 11, 2012 | 844.00 |
| May 10, 2012 | 853.00 |
| May 09, 2012 | 847.00 |
| May 08, 2012 | 858.00 |
| May 04, 2012 | 859.00 |
| May 03, 2012 | 862.00 |
| May 02, 2012 | 870.00 |
| May 01, 2012 | 880.00 |