| Year | Rank | Number |
| 1997 | 14761 | 5 |
| 1994 | 14398 | 5 |
| 1993 | 7749 | 11 |
| 1991 | 12153 | 6 |
| 1987 | 12085 | 5 |
| 1982 | 9695 | 6 |
| 1981 | 7683 | 8 |
| 1975 | 7480 | 7 |
| 1972 | 8808 | 5 |
| 1971 | 8844 | 5 |
| 1970 | 8535 | 5 |
| 1967 | 6336 | 6 |
| 1964 | 5707 | 7 |
| Year | Rank | Number |
| 1997 | 14761 | 5 |
| 1994 | 14398 | 5 |
| 1993 | 7749 | 11 |
| 1991 | 12153 | 6 |
| 1987 | 12085 | 5 |
| 1982 | 9695 | 6 |
| 1981 | 7683 | 8 |
| 1975 | 7480 | 7 |
| 1972 | 8808 | 5 |
| 1971 | 8844 | 5 |
| 1970 | 8535 | 5 |
| 1967 | 6336 | 6 |
| 1964 | 5707 | 7 |