| Date | Currency |
|---|---|
| 21/05/2013 | 16.87 |
| 14/05/2013 | 17.25 |
| 07/05/2013 | 17.88 |
| 29/04/2013 | 17.61 |
| 23/04/2013 | 17.65 |
| 16/04/2013 | 17.32 |
| 09/04/2013 | 17.20 |
| 02/04/2013 | 16.50 |
| 26/03/2013 | 16.61 |
| 19/03/2013 | 16.22 |
| 12/03/2013 | 16.07 |
| 05/03/2013 | 16.31 |
| 26/02/2013 | 15.94 |
| 19/02/2013 | 15.63 |
| 12/02/2013 | 15.66 |
| $ 1 | 12697.00 | 0.000% |
| € 1 | 13547.70 | 0.000% |
| ₽ 1 | 135.05 | 0.000% |