| Year | Rank | Number |
| 2003 | 15429 | 6 |
| 1998 | 16166 | 5 |
| 1996 | 15468 | 5 |
| 1994 | 10369 | 8 |
| 1992 | 13069 | 6 |
| 1991 | 7342 | 12 |
| 1989 | 14127 | 5 |
| 1988 | 10180 | 7 |
| 1987 | 11026 | 6 |
| 1986 | 12440 | 5 |
| 1985 | 9091 | 7 |
| Year | Rank | Number |
| 2003 | 15429 | 6 |
| 1998 | 16166 | 5 |
| 1996 | 15468 | 5 |
| 1994 | 10369 | 8 |
| 1992 | 13069 | 6 |
| 1991 | 7342 | 12 |
| 1989 | 14127 | 5 |
| 1988 | 10180 | 7 |
| 1987 | 11026 | 6 |
| 1986 | 12440 | 5 |
| 1985 | 9091 | 7 |