| Year | Count |
|---|---|
| 1993 | 6 |
| 1994 | 14 |
| 1995 | 118 |
| 1996 | 227 |
| 1997 | 247 |
| 1998 | 280 |
| 1999 | 270 |
| 2000 | 217 |
| 2001 | 260 |
| 2002 | 148 |
| 2003 | 106 |
| 2004 | 112 |
| 2005 | 148 |
| 2006 | 104 |
| 2007 | 180 |
| 2008 | 200 |
| 2009 | 154 |
| 2010 | 149 |
| 2011 | 110 |
| 2012 | 107 |
| 2013 | 125 |
| 2014 | 137 |
| 2015 | 156 |
| 2016 | 161 |
| 2017 | 138 |
| 2018 | 132 |
| 2019 | 143 |
| 2020 | 114 |
| 2021 | 199 |
| 2022 | 217 |
| 2023 | 144 |
| 2024 | 177 |