| Year |
After 31.03.1988 but before 15.1.00 |
After 14.1.2000 but before 1.3.01 |
After 28.2.2001 but before 1.3.02 |
After 28.2.2002 but before 1.3.03 |
After 28.2.03 |
| I yr. | 11.83 | 11.30 | 9.72 | 9.20 | 8.16 |
| II yr. | 13.23 | 12.58 | 10.67 | 10.05 | 8.83 |
| III yr. | 14.80 | 14.00 | 11.71 | 10.97 | 9.55 |
| IV yr. | 16.54 | 15.58 | 12.85 | 11.98 | 10.33 |
| V yr. | 18.51 | 17.35 | 14.10 | 13.09 | 11.17 |
| VI yr. | 20.69 | 19.31 | 15.47 | 14.29 | 12.08 |
| | 74.52 | 69.58 | 60.12 |