| Year | Rank | Number |
| 2007 | 18128 | 5 |
| 1996 | 10775 | 7 |
| 1994 | 8942 | 9 |
| 1993 | 8843 | 9 |
| 1992 | 10664 | 7 |
| 1991 | 8713 | 9 |
| 1990 | 7383 | 11 |
| 1989 | 8150 | 9 |
| 1984 | 10643 | 5 |
| 1983 | 10499 | 5 |
| Year | Rank | Number |
| 2007 | 18128 | 5 |
| 1996 | 10775 | 7 |
| 1994 | 8942 | 9 |
| 1993 | 8843 | 9 |
| 1992 | 10664 | 7 |
| 1991 | 8713 | 9 |
| 1990 | 7383 | 11 |
| 1989 | 8150 | 9 |
| 1984 | 10643 | 5 |
| 1983 | 10499 | 5 |