| Year | Rank | Number |
| 2003 | 16422 | 5 |
| 2002 | 16120 | 5 |
| 2001 | 13991 | 6 |
| 2000 | 10109 | 9 |
| 1996 | 12252 | 6 |
| 1995 | 14033 | 5 |
| 1994 | 12191 | 6 |
| 1993 | 8222 | 10 |
| 1992 | 8237 | 10 |
| 1991 | 6332 | 14 |
| 1990 | 10503 | 7 |
| 1988 | 10708 | 6 |
| 1987 | 11769 | 5 |
| 1979 | 9271 | 6 |
| Year | Rank | Number |
| 2003 | 16422 | 5 |
| 2002 | 16120 | 5 |
| 2001 | 13991 | 6 |
| 2000 | 10109 | 9 |
| 1996 | 12252 | 6 |
| 1995 | 14033 | 5 |
| 1994 | 12191 | 6 |
| 1993 | 8222 | 10 |
| 1992 | 8237 | 10 |
| 1991 | 6332 | 14 |
| 1990 | 10503 | 7 |
| 1988 | 10708 | 6 |
| 1987 | 11769 | 5 |
| 1979 | 9271 | 6 |