| Year | Rank | Number |
| 2011 | 13730 | 7 |
| 2010 | 9370 | 12 |
| 2008 | 15998 | 6 |
| 2007 | 14366 | 7 |
| 2006 | 14026 | 7 |
| 2005 | 17304 | 5 |
| 2003 | 9250 | 11 |
| 2002 | 16281 | 5 |
| 1999 | 15175 | 5 |
| 1995 | 14162 | 5 |
| 1985 | 11187 | 5 |
| Year | Rank | Number |
| 2011 | 13730 | 7 |
| 2010 | 9370 | 12 |
| 2008 | 15998 | 6 |
| 2007 | 14366 | 7 |
| 2006 | 14026 | 7 |
| 2005 | 17304 | 5 |
| 2003 | 9250 | 11 |
| 2002 | 16281 | 5 |
| 1999 | 15175 | 5 |
| 1995 | 14162 | 5 |
| 1985 | 11187 | 5 |