| Día | Enero | Febrero | Marzo | Abril | Mayo | Junio |
| 1 | * | * | * | 25.30 | * | 26.40 |
| 2 | 23.70 | 24.10 | 24.30 | * | * | 26.35 |
| 3 | * | 24.00 | 24.35 | * | * | 26.40 |
| 4 | * | 24.10 | 24.40 | * | 26.10 | 26.35 |
| 5 | 23.85 | 24.10 | 24.40 | * | 26.00 | 26.35 |
| 6 | * | 24.20 | 24.55 | 25.20 | 25.95 | * |
| 7 | 23.95 | * | * | 25.35 | 26.05 | * |
| 8 | 24.05 | * | * | 25.55 | 25.90 | 26.30 |
| 9 | 24.15 | 24.20 | 24.70 | 25.75 | * | 26.25 |
| 10 | * | 24.35 | 24.75 | 25.95 | * |
26.30 |
| 11 | * | 24.50 | 24.75 | * | 26.05 | 26.35 |
| 12 | 24.25 | 24.40 | 24.75 | * | 26.10 | 26.35 |
| 13 | 24.40 | 24.25 | 25.00 | 25.90 | 26.10 | * |
| 14 | 24.50 | * | * | 26.20 | 26.15 | * |
| 15 | 24.50 | * | * | 26.35 | 26.15 | 26.45 |
| 16 | 24.35 | * | 24.90 | 26.25 | * | 26.40 |
| 17 | * | * | 25.10 | 26.20 | * | 26.35 |
| 18 | * | 24.15 | 25.10 | * | * | 26.30 |
| 19 | 24.25 | 24.35 | 25.25 | * | 26.20 | * |
| 20 | 24.20 | 24.35 | 25.15 | 26.25 | 26.25 | * |
| 21 | 24.20 | * | * | 26.35 | 26.30 | * |
| 22 | 24.20 | * | * | 26.40 | 26.40 | 26.35 |
| 23 | 24.20 | 24.40 | 25.10 | 26.25 | * | 26.45 |
| 24 | * | 24.35 | 25.05 | 25.95 | * | 26.40 |
| 25 | * | 24.30 | 25.20 | * | 26.45 | 26.40 |
| 26 | 24.10 | 24.25 | 25.40 | * | 26.50 | 26.45 |
| 27 | 23.95 | 24.30 | 25.40 | 25.70 | 26.50 | * |
| 28 | 23.95 | * | * | 25.70 | 26.45 | * |
| 29 | 24.00 | * | * | 25.90 | 26.40 | 26.55 |
| 30 | 24.15 | * | * | 25.95 | * | 26.65 |
| 31 | * | * | * | * |