| Date | Currency |
|---|---|
| 07/06/2011 | 2737.66 |
| 31/05/2011 | 2714.44 |
| 24/05/2011 | 2707.84 |
| 17/05/2011 | 2710.29 |
| 11/05/2011 | 2728.99 |
| 03/05/2011 | 2747.20 |
| 26/04/2011 | 2722.43 |
| 19/04/2011 | 2699.36 |
| 12/04/2011 | 2685.65 |
| 04/04/2011 | 2662.59 |
| 29/03/2011 | 2667.28 |
| 23/03/2011 | 2665.48 |
| 15/03/2011 | 2624.19 |
| 10/03/2011 | 2631.04 |
| 01/03/2011 | 2616.79 |
| $ 1 | 12727.96 | +0.134% |
| € 1 | 13781.84 | +0.459% |
| ₽ 1 | 139.46 | +0.288% |