| Date | Currency |
|---|---|
| 07/06/2011 | 287.40 |
| 31/05/2011 | 286.60 |
| 24/05/2011 | 285.87 |
| 17/05/2011 | 286.45 |
| 11/05/2011 | 285.61 |
| 03/05/2011 | 285.08 |
| 26/04/2011 | 284.20 |
| 19/04/2011 | 283.95 |
| 12/04/2011 | 282.73 |
| 04/04/2011 | 282.46 |
| 29/03/2011 | 282.81 |
| 23/03/2011 | 282.73 |
| 15/03/2011 | 283.09 |
| 10/03/2011 | 283.17 |
| 01/03/2011 | 283.34 |
| $ 1 | 12727.96 | +0.134% |
| € 1 | 13781.84 | +0.459% |
| ₽ 1 | 139.46 | +0.288% |