| Year | Count |
|---|---|
| 1992 | 5 |
| 1994 | 59 |
| 1995 | 20 |
| 1996 | 12 |
| 1998 | 21 |
| 1999 | 71 |
| 2000 | 116 |
| 2001 | 264 |
| 2002 | 209 |
| 2003 | 288 |
| 2004 | 447 |
| 2005 | 343 |
| 2006 | 328 |
| 2007 | 293 |
| 2008 | 236 |
| 2009 | 156 |
| 2010 | 212 |
| 2011 | 182 |
| 2012 | 141 |
| 2013 | 95 |
| 2014 | 174 |
| 2015 | 126 |
| 2016 | 225 |
| 2017 | 130 |
| 2018 | 116 |
| 2019 | 75 |
| 2020 | 131 |
| 2021 | 81 |
| 2022 | 125 |
| 2023 | 362 |
| 2024 | 163 |