| Year | Count |
|---|---|
| 1985 | 138 |
| 1986 | 882 |
| 1987 | 629 |
| 1988 | 645 |
| 1989 | 720 |
| 1990 | 697 |
| 1991 | 889 |
| 1992 | 690 |
| 1993 | 699 |
| 1994 | 691 |
| 1995 | 641 |
| 1996 | 758 |
| 1997 | 769 |
| 1998 | 1,027 |
| 1999 | 897 |
| 2000 | 895 |
| 2001 | 1,073 |
| 2002 | 1,006 |
| 2003 | 1,250 |
| 2004 | 1,553 |
| 2004 | 10 |
| 2005 | 1,677 |
| 2006 | 1,595 |
| 2007 | 1,918 |
| 2008 | 1,852 |
| 2009 | 1,670 |
| 2010 | 1,465 |
| 2011 | 1,630 |
| 2012 | 1,477 |
| 2013 | 1,372 |
| 2014 | 1,314 |
| 2015 | 1,200 |
| 2016 | 1,192 |
| 2017 | 997 |
| 2018 | 733 |
| 2019 | 719 |
| 2020 | 772 |
| 2021 | 864 |
| 2022 | 702 |
| 2023 | 563 |
| 2024 | 411 |