| Year | Count |
|---|---|
| 1996 | 11 |
| 1997 | 12 |
| 1998 | 14 |
| 1999 | 39 |
| 2000 | 26 |
| 2001 | 128 |
| 2002 | 34 |
| 2003 | 83 |
| 2004 | 79 |
| 2005 | 111 |
| 2006 | 132 |
| 2007 | 136 |
| 2008 | 123 |
| 2009 | 125 |
| 2010 | 105 |
| 2011 | 66 |
| 2012 | 91 |
| 2013 | 54 |
| 2014 | 128 |
| 2015 | 156 |
| 2016 | 131 |
| 2017 | 116 |
| 2018 | 119 |
| 2019 | 156 |
| 2020 | 153 |
| 2021 | 218 |
| 2022 | 192 |
| 2023 | 208 |
| 2024 | 224 |