| Year | Rank | Number |
| 2006 | 16212 | 6 |
| 2004 | 15185 | 6 |
| 2003 | 17173 | 5 |
| 1997 | 15026 | 5 |
| 1994 | 9243 | 9 |
| 1992 | 12591 | 6 |
| 1990 | 14185 | 5 |
| 1987 | 10563 | 6 |
| 1985 | 9983 | 6 |
| 1982 | 9828 | 6 |
| 1981 | 11248 | 5 |
| 1979 | 9575 | 6 |
| 1978 | 10592 | 5 |
| 1975 | 8526 | 6 |
| Year | Rank | Number |
| 2006 | 16212 | 6 |
| 2004 | 15185 | 6 |
| 2003 | 17173 | 5 |
| 1997 | 15026 | 5 |
| 1994 | 9243 | 9 |
| 1992 | 12591 | 6 |
| 1990 | 14185 | 5 |
| 1987 | 10563 | 6 |
| 1985 | 9983 | 6 |
| 1982 | 9828 | 6 |
| 1981 | 11248 | 5 |
| 1979 | 9575 | 6 |
| 1978 | 10592 | 5 |
| 1975 | 8526 | 6 |