| Year | Rank | Number |
| 2010 | 12372 | 8 |
| 2009 | 15344 | 6 |
| 2007 | 17909 | 5 |
| 2004 | 12890 | 7 |
| 2003 | 16045 | 5 |
| 2002 | 13787 | 6 |
| 2000 | 7616 | 13 |
| 1995 | 11936 | 6 |
| 1994 | 13642 | 5 |
| 1993 | 9625 | 8 |
| Year | Rank | Number |
| 2010 | 12372 | 8 |
| 2009 | 15344 | 6 |
| 2007 | 17909 | 5 |
| 2004 | 12890 | 7 |
| 2003 | 16045 | 5 |
| 2002 | 13787 | 6 |
| 2000 | 7616 | 13 |
| 1995 | 11936 | 6 |
| 1994 | 13642 | 5 |
| 1993 | 9625 | 8 |