| Year | Total | vs prev |
|---|---|---|
| 2025 | 0 | −100.0% |
| 2024 | 30 | −40.0% |
| 2023 | 50 | −46.8% |
| 2022 | 94 | +261.5% |
| 2021 | 26 | — |
| 2017 | 0 | −100.0% |
| 2016 | 67 | −37.4% |
| 2015 | 107 | −14.4% |
| 2014 | 125 | −41.6% |
| 2013 | 214 | −61.1% |
| 2012 | 550 | +49.5% |
| 2011 | 368 | −31.9% |
| 2010 | 540 | +8.9% |
| 2009 | 496 | −56.8% |
| 2008 | 1,149 | −24.2% |
| 2007 | 1,516 | −0.6% |
| 2006 | 1,525 | +80.0% |
| 2005 | 847 | — |