| Year | Count |
|---|---|
| 1982 | 5 |
| 1992 | 6 |
| 1995 | 12 |
| 1996 | 82 |
| 1997 | 237 |
| 1998 | 180 |
| 1999 | 119 |
| 2000 | 110 |
| 2001 | 160 |
| 2002 | 97 |
| 2003 | 87 |
| 2004 | 271 |
| 2005 | 372 |
| 2006 | 282 |
| 2007 | 436 |
| 2008 | 496 |
| 2009 | 393 |
| 2010 | 323 |
| 2011 | 594 |
| 2012 | 678 |
| 2013 | 611 |
| 2014 | 700 |
| 2015 | 866 |
| 2016 | 772 |
| 2017 | 791 |
| 2018 | 573 |
| 2019 | 620 |
| 2020 | 792 |
| 2021 | 763 |
| 2022 | 726 |
| 2023 | 747 |
| 2024 | 837 |