| Year | Rank | Number |
| 2006 | 9327 | 8 |
| 2004 | 12707 | 5 |
| 2001 | 10190 | 6 |
| 1999 | 5942 | 11 |
| 1998 | 10844 | 5 |
| 1997 | 7093 | 8 |
| 1996 | 10112 | 5 |
| 1994 | 9857 | 5 |
| 1993 | 9762 | 5 |
| 1992 | 5151 | 11 |
| Year | Rank | Number |
| 2006 | 9327 | 8 |
| 2004 | 12707 | 5 |
| 2001 | 10190 | 6 |
| 1999 | 5942 | 11 |
| 1998 | 10844 | 5 |
| 1997 | 7093 | 8 |
| 1996 | 10112 | 5 |
| 1994 | 9857 | 5 |
| 1993 | 9762 | 5 |
| 1992 | 5151 | 11 |