| Year | Rank | Number |
| 1999 | 14748 | 5 |
| 1995 | 13726 | 5 |
| 1994 | 8220 | 10 |
| 1993 | 9675 | 8 |
| 1992 | 7581 | 11 |
| 1991 | 7017 | 12 |
| 1990 | 4887 | 19 |
| 1989 | 3684 | 27 |
| 1988 | 5934 | 13 |
| 1987 | 5960 | 12 |
| 1986 | 4993 | 15 |
| 1985 | 8427 | 7 |
| 1982 | 9344 | 6 |
| Year | Rank | Number |
| 1999 | 14748 | 5 |
| 1995 | 13726 | 5 |
| 1994 | 8220 | 10 |
| 1993 | 9675 | 8 |
| 1992 | 7581 | 11 |
| 1991 | 7017 | 12 |
| 1990 | 4887 | 19 |
| 1989 | 3684 | 27 |
| 1988 | 5934 | 13 |
| 1987 | 5960 | 12 |
| 1986 | 4993 | 15 |
| 1985 | 8427 | 7 |
| 1982 | 9344 | 6 |