| Year | Rank | Number |
| 2009 | 7253 | 11 |
| 2008 | 9153 | 8 |
| 2007 | 9076 | 8 |
| 2006 | 7012 | 11 |
| 2005 | 7221 | 10 |
| 2004 | 11739 | 5 |
| 2002 | 6171 | 11 |
| 2001 | 8501 | 7 |
| 2000 | 5998 | 11 |
| 1999 | 10256 | 5 |
| 1998 | 8724 | 6 |
| 1997 | 7449 | 7 |
| 1995 | 9169 | 5 |
| 1994 | 7129 | 7 |
| 1993 | 6966 | 7 |
| 1991 | 8477 | 5 |
| Year | Rank | Number |
| 2009 | 7253 | 11 |
| 2008 | 9153 | 8 |
| 2007 | 9076 | 8 |
| 2006 | 7012 | 11 |
| 2005 | 7221 | 10 |
| 2004 | 11739 | 5 |
| 2002 | 6171 | 11 |
| 2001 | 8501 | 7 |
| 2000 | 5998 | 11 |
| 1999 | 10256 | 5 |
| 1998 | 8724 | 6 |
| 1997 | 7449 | 7 |
| 1995 | 9169 | 5 |
| 1994 | 7129 | 7 |
| 1993 | 6966 | 7 |
| 1991 | 8477 | 5 |