| Year | Total | vs prev |
|---|---|---|
| 2026 YTD | 657 | −7.7% |
| 2025 | 1,877 | −24.1% |
| 2024 | 2,472 | −21.4% |
| 2023 | 3,147 | +11.7% |
| 2022 | 2,818 | −29.2% |
| 2021 | 3,982 | +16.8% |
| 2020 | 3,408 | +7.8% |
| 2019 | 3,162 | +0.8% |
| 2018 | 3,136 | +16.3% |
| 2017 | 2,697 | −35.6% |
| 2016 | 4,189 | −4.4% |
| 2015 | 4,384 | −12.4% |
| 2014 | 5,007 | −22.6% |
| 2013 | 6,471 | +3.4% |
| 2012 | 6,258 | +17.7% |
| 2011 | 5,315 | −19.3% |
| 2010 | 6,586 | −5.7% |
| 2009 | 6,984 | −6.1% |
| 2008 | 7,438 | −14.7% |
| 2007 | 8,716 | +19.2% |
| 2006 | 7,313 | +7.0% |
| 2005 | 6,835 | −2.3% |
| 2004 | 6,993 | −7.5% |
| 2003 | 7,559 | +1.4% |
| 2002 | 7,455 | −8.4% |
| 2001 | 8,135 | +13.7% |
| 2000 | 7,155 | +8.6% |
| 1999 | 6,588 | +13.4% |
| 1998 | 5,809 | +15.3% |
| 1997 | 5,040 | — |