| Year | Total | vs prev |
|---|---|---|
| 2026 YTD | 215 | −0.9% |
| 2025 | 723 | +179.2% |
| 2024 | 259 | −23.1% |
| 2023 | 337 | +8.4% |
| 2022 | 311 | +24.4% |
| 2021 | 250 | −23.3% |
| 2020 | 326 | +15.6% |
| 2019 | 282 | — |
| 2018 | 282 | −9.0% |
| 2017 | 310 | +44.2% |
| 2016 | 215 | −6.9% |
| 2015 | 231 | +1.8% |
| 2014 | 227 | −20.9% |
| 2013 | 287 | −24.5% |
| 2012 | 380 | +18.4% |
| 2011 | 321 | −12.3% |
| 2010 | 366 | +29.8% |
| 2009 | 282 | −35.2% |
| 2008 | 435 | +43.1% |
| 2007 | 304 | +2.0% |
| 2006 | 298 | −27.5% |
| 2005 | 411 | +3.0% |
| 2004 | 399 | +25.1% |
| 2003 | 319 | −8.3% |
| 2002 | 348 | −14.5% |
| 2001 | 407 | −32.5% |
| 2000 | 603 | −1.3% |
| 1999 | 611 | −7.1% |
| 1998 | 658 | +6.6% |
| 1997 | 617 | −6.7% |
| 1996 | 661 | −4.1% |
| 1995 | 689 | +2.7% |
| 1994 | 671 | +9.3% |
| 1993 | 614 | −10.9% |
| 1992 | 689 | +9.9% |
| 1991 | 627 | — |