| Year | Rank | Number |
| 2008 | 16960 | 6 |
| 2007 | 12401 | 9 |
| 2005 | 12736 | 8 |
| 2004 | 18162 | 5 |
| 2003 | 13485 | 7 |
| 2001 | 17325 | 5 |
| 2000 | 16985 | 5 |
| 1999 | 16280 | 5 |
| 1998 | 13736 | 6 |
| 1996 | 15290 | 5 |
| 1995 | 10281 | 8 |
| 1992 | 14959 | 5 |
| Year | Rank | Number |
| 2008 | 16960 | 6 |
| 2007 | 12401 | 9 |
| 2005 | 12736 | 8 |
| 2004 | 18162 | 5 |
| 2003 | 13485 | 7 |
| 2001 | 17325 | 5 |
| 2000 | 16985 | 5 |
| 1999 | 16280 | 5 |
| 1998 | 13736 | 6 |
| 1996 | 15290 | 5 |
| 1995 | 10281 | 8 |
| 1992 | 14959 | 5 |