| Year | Count |
|---|---|
| 2000 | 42 |
| 2001 | 1,219 |
| 2002 | 1,792 |
| 2003 | 2,546 |
| 2004 | 4,110 |
| 2004 | 22 |
| 2005 | 6,042 |
| 2005 | 20 |
| 2006 | 7,613 |
| 2007 | 8,679 |
| 2007 | 7 |
| 2008 | 7,205 |
| 2009 | 6,803 |
| 2010 | 7,094 |
| 2011 | 7,485 |
| 2012 | 6,583 |
| 2013 | 5,157 |
| 2014 | 4,676 |
| 2015 | 4,740 |
| 2016 | 4,610 |
| 2017 | 4,426 |
| 2018 | 3,952 |
| 2019 | 3,507 |
| 2020 | 3,271 |
| 2021 | 3,594 |
| 2022 | 3,371 |
| 2023 | 2,804 |
| 2024 | 2,530 |