| Year | Record |
| 2006 | 19-10 |
| 2005 | 24-10 |
| 2004 | 18-12 |
| 2003 |
17-16 |
| 2002 |
22-6 |
| 2001 |
27-6 |
| 2000 | 29-7 |
| 1999 | 29-4 |
| 1998 | 37-1 |
| 1997 | 36-2 |
| 1996 | 31-6 |
| 1995 | 30-5 |
| 1994 | 15-13 |
| 1993 | 10-22 |
| 1992 | 24-9 |
| 1991 | 27-6 |
| 1990 | 20-14 |
| 1989 | 26-10 |
| 1988 | 28-8 |
| 1987 | 26-15 |
| 1986 | 20-8 |
| 1985 | 26-12 |
| 1984 | 27-13 |
| 1983 | 17-22 |
| 1982 | 20-17 |
| 1980 | 14-4 |