| 1983 | 13.30 | 95-96 | 12.75 |
| 1984 | 15.00 | 96-97 | 13.52 |
| 1985 | 16.00 | 97-98 | 14.17 |
| 1986 | 17.30 | 98-99 | 14.40 |
| 1987 | 20.28 | 99-00 | 15.00 |
| 1988 | 22.28 | 00-01 | 14.90 |
| 1989 | 7.65 | 01-02 | 17.00 |
| 1990 | 3.20 (5 M.) | 02-03 | 16.00 |
| 90-91 | 11.25 | 03-04 | 17.45 |
| 91-92 | 11.53 | 04-05 | 18.60 |
| 92-93 | 12.95 | 05-06 | 20.00 |
| 93-94 | 12.90 | 06-07 | 11.00 |
| 94-95 | 12.00 | 07-08 | 11.80 |