| Year | Rank | Number |
| 2010 | 15229 | 6 |
| 2000 | 15404 | 5 |
| 1998 | 12683 | 6 |
| 1995 | 13721 | 5 |
| 1994 | 13724 | 5 |
| 1993 | 10760 | 7 |
| 1992 | 11945 | 6 |
| 1991 | 8685 | 9 |
| 1984 | 10590 | 5 |
| Year | Rank | Number |
| 2010 | 15229 | 6 |
| 2000 | 15404 | 5 |
| 1998 | 12683 | 6 |
| 1995 | 13721 | 5 |
| 1994 | 13724 | 5 |
| 1993 | 10760 | 7 |
| 1992 | 11945 | 6 |
| 1991 | 8685 | 9 |
| 1984 | 10590 | 5 |