| Date | Currency |
|---|---|
| 18/10/2011 | 56.72 |
| 11/10/2011 | 54.48 |
| 04/10/2011 | 54.51 |
| 27/09/2011 | 54.40 |
| 20/09/2011 | 57.13 |
| 13/09/2011 | 58.66 |
| 06/09/2011 | 59.86 |
| 29/08/2011 | 60.15 |
| 23/08/2011 | 59.24 |
| 16/08/2011 | 58.80 |
| 09/08/2011 | 61.02 |
| 02/08/2011 | 62.39 |
| 26/07/2011 | 62.23 |
| 19/07/2011 | 61.24 |
| 12/07/2011 | 61.67 |
| $ 1 | 12190.01 | +0.098% |
| € 1 | 12987.24 | -0.314% |
| ₽ 1 | 126.91 | +0.674% |