| Year | Rank | Number |
| 1996 | 11583 | 7 |
| 1994 | 9467 | 9 |
| 1993 | 10406 | 8 |
| 1992 | 11496 | 7 |
| 1991 | 11290 | 7 |
| 1989 | 14119 | 5 |
| 1988 | 10176 | 7 |
| 1985 | 9086 | 7 |
| 1984 | 11822 | 5 |
| 1981 | 8854 | 7 |
| 1980 | 11803 | 5 |
| 1978 | 11129 | 5 |
| Year | Rank | Number |
| 1996 | 11583 | 7 |
| 1994 | 9467 | 9 |
| 1993 | 10406 | 8 |
| 1992 | 11496 | 7 |
| 1991 | 11290 | 7 |
| 1989 | 14119 | 5 |
| 1988 | 10176 | 7 |
| 1985 | 9086 | 7 |
| 1984 | 11822 | 5 |
| 1981 | 8854 | 7 |
| 1980 | 11803 | 5 |
| 1978 | 11129 | 5 |