| Year | Rank | Number |
| 2007 | 10309 | 7 |
| 2003 | 11809 | 5 |
| 2002 | 7327 | 9 |
| 2001 | 8745 | 7 |
| 1999 | 10755 | 5 |
| 1998 | 7199 | 8 |
| 1995 | 9581 | 5 |
| 1993 | 7196 | 7 |
| 1991 | 7744 | 6 |
| 1990 | 6790 | 7 |
| 1989 | 5916 | 8 |
| Year | Rank | Number |
| 2007 | 10309 | 7 |
| 2003 | 11809 | 5 |
| 2002 | 7327 | 9 |
| 2001 | 8745 | 7 |
| 1999 | 10755 | 5 |
| 1998 | 7199 | 8 |
| 1995 | 9581 | 5 |
| 1993 | 7196 | 7 |
| 1991 | 7744 | 6 |
| 1990 | 6790 | 7 |
| 1989 | 5916 | 8 |