| Date | Currency |
|---|---|
| 22/02/2011 | 56.89 |
| 15/02/2011 | 56.64 |
| 08/02/2011 | 56.34 |
| 01/02/2011 | 55.76 |
| 25/01/2011 | 55.01 |
| 18/01/2011 | 55.00 |
| 11/01/2011 | 54.16 |
| 04/01/2011 | 54.05 |
| 28/12/2010 | 53.63 |
| 21/12/2010 | 53.43 |
| 14/12/2010 | 53.04 |
| 07/12/2010 | 52.31 |
| 30/11/2010 | 52.11 |
| 23/11/2010 | 52.75 |
| 16/11/2010 | 52.88 |
| $ 1 | 12727.96 | +0.134% |
| € 1 | 13781.84 | +0.459% |
| ₽ 1 | 139.46 | +0.288% |