| Year | Count |
|---|---|
| 1994 | 5 |
| 1997 | 6 |
| 1998 | 21 |
| 1998 | 6 |
| 1999 | 14 |
| 2000 | 9 |
| 2001 | 6 |
| 2002 | 5 |
| 2002 | 5 |
| 2003 | 5 |
| 2003 | 28 |
| 2004 | 16 |
| 2004 | 10 |
| 2005 | 26 |
| 2005 | 73 |
| 2006 | 11 |
| 2006 | 63 |
| 2007 | 19 |
| 2007 | 60 |
| 2008 | 14 |
| 2008 | 107 |
| 2009 | 25 |
| 2009 | 59 |
| 2010 | 12 |
| 2010 | 57 |
| 2011 | 21 |
| 2011 | 100 |
| 2012 | 33 |
| 2012 | 119 |
| 2013 | 25 |
| 2013 | 108 |
| 2014 | 33 |
| 2014 | 115 |
| 2015 | 65 |
| 2015 | 111 |
| 2016 | 34 |
| 2016 | 77 |
| 2017 | 81 |
| 2017 | 39 |
| 2018 | 70 |
| 2018 | 66 |
| 2019 | 63 |
| 2019 | 46 |
| 2020 | 61 |
| 2020 | 20 |
| 2021 | 50 |
| 2021 | 71 |
| 2022 | 45 |
| 2022 | 62 |
| 2023 | 47 |
| 2023 | 20 |
| 2024 | 42 |
| 2024 | 13 |