| Year | |
|---|---|
| 1993 | 462 |
| 1994 | 507 |
| 1995 | 559 |
| 1996 | 466 |
| 1997 | 401 |
| 1998 | 383 |
| 1999 | 349 |
| 2000 | 364 |
| 2001 | 266 |
| 2002 | 290 |
| 2003 | 279 |
| 2004 | 270 |
| 2005 | 220 |
| 2006 | 209 |
| 2007 | 220 |
| 2008 | 190 |
| 2009 | 240 |
| 2010 | 259 |
| 2011 | 308 |
| 2012 | 243 |
| 2013 | 277 |
| 2014 | 298 |
| 2015 | 332 |
| 2016 | 363 |
| 2017 | 436 |
| 2018 | 468 |
| 2019 | 496 |
| 2020 | 480 |
| 2021 | 315 |
| 2022 | 349 |
| 2023 | 393 |