| Year | Rank | Number |
| 2000 | 15561 | 5 |
| 1990 | 6543 | 13 |
| 1989 | 9912 | 7 |
| 1988 | 5651 | 14 |
| 1987 | 5998 | 12 |
| 1986 | 11284 | 5 |
| 1985 | 10987 | 5 |
| 1984 | 10721 | 5 |
| 1982 | 9457 | 6 |
| 1979 | 10496 | 5 |
| Year | Rank | Number |
| 2000 | 15561 | 5 |
| 1990 | 6543 | 13 |
| 1989 | 9912 | 7 |
| 1988 | 5651 | 14 |
| 1987 | 5998 | 12 |
| 1986 | 11284 | 5 |
| 1985 | 10987 | 5 |
| 1984 | 10721 | 5 |
| 1982 | 9457 | 6 |
| 1979 | 10496 | 5 |