| Year | Rank | Number |
| 2000 | 11978 | 7 |
| 1999 | 14747 | 5 |
| 1996 | 9696 | 8 |
| 1995 | 10672 | 7 |
| 1994 | 11980 | 6 |
| 1993 | 13741 | 5 |
| 1992 | 7117 | 12 |
| 1991 | 8049 | 10 |
| 1990 | 7360 | 11 |
| 1989 | 5326 | 16 |
| 1988 | 7192 | 10 |
| 1987 | 6384 | 11 |
| 1986 | 5790 | 12 |
| Year | Rank | Number |
| 2000 | 11978 | 7 |
| 1999 | 14747 | 5 |
| 1996 | 9696 | 8 |
| 1995 | 10672 | 7 |
| 1994 | 11980 | 6 |
| 1993 | 13741 | 5 |
| 1992 | 7117 | 12 |
| 1991 | 8049 | 10 |
| 1990 | 7360 | 11 |
| 1989 | 5326 | 16 |
| 1988 | 7192 | 10 |
| 1987 | 6384 | 11 |
| 1986 | 5790 | 12 |