| Year | Count |
|---|---|
| 1994 | 10 |
| 1995 | 9 |
| 1996 | 21 |
| 1997 | 65 |
| 1998 | 109 |
| 1999 | 238 |
| 2000 | 322 |
| 2001 | 544 |
| 2002 | 777 |
| 2003 | 1,075 |
| 2004 | 1,557 |
| 2005 | 2,085 |
| 2006 | 2,090 |
| 2007 | 2,280 |
| 2008 | 2,340 |
| 2009 | 2,101 |
| 2010 | 1,963 |
| 2011 | 1,991 |
| 2012 | 2,057 |
| 2013 | 1,708 |
| 2014 | 1,628 |
| 2015 | 1,528 |
| 2016 | 1,445 |
| 2017 | 1,401 |
| 2018 | 1,260 |
| 2019 | 1,270 |
| 2020 | 1,112 |
| 2021 | 1,152 |
| 2022 | 996 |
| 2023 | 1,012 |
| 2024 | 809 |