| Year | Rank | Number |
| 2007 | 20353 | 5 |
| 2006 | 19881 | 5 |
| 2005 | 16340 | 6 |
| 2001 | 10067 | 10 |
| 2000 | 17533 | 5 |
| 1998 | 14053 | 6 |
| 1996 | 15802 | 5 |
| 1995 | 13338 | 6 |
| 1994 | 15673 | 5 |
| 1992 | 10436 | 8 |
| 1991 | 11482 | 7 |
| 1990 | 9220 | 9 |
| 1985 | 12447 | 5 |
| 1983 | 12009 | 5 |
| 1982 | 12269 | 5 |
| 1981 | 9067 | 7 |
| 1973 | 9770 | 5 |
| 1970 | 9321 | 5 |
| 1944 | 5235 | 5 |
| 1927 | 3870 | 8 |
| 1923 | 3961 | 8 |
| 1922 | 5000 | 6 |
| 1921 | 5853 | 5 |
| 1920 | 4389 | 7 |
| 1917 | 4584 | 6 |
| 1916 | 3911 | 7 |
| 1915 | 4951 | 5 |
| 1913 | 3178 | 6 |