| Year | |
|---|---|
| 1993 | 567 |
| 1994 | 663 |
| 1995 | 687 |
| 1996 | 661 |
| 1997 | 512 |
| 1998 | 457 |
| 1999 | 437 |
| 2000 | 480 |
| 2001 | 329 |
| 2002 | 300 |
| 2003 | 206 |
| 2004 | 237 |
| 2005 | 200 |
| 2006 | 211 |
| 2007 | 202 |
| 2008 | 318 |
| 2009 | 310 |
| 2010 | 376 |
| 2011 | 470 |
| 2012 | 320 |
| 2013 | 344 |
| 2014 | 358 |
| 2015 | 412 |
| 2016 | 445 |
| 2017 | 504 |
| 2018 | 657 |
| 2019 | 599 |
| 2020 | 656 |
| 2021 | 464 |
| 2022 | 633 |
| 2023 | 812 |