| Year | Total | vs prev |
|---|---|---|
| 2026 YTD | 34 | −22.7% |
| 2025 | 113 | −0.9% |
| 2024 | 114 | +58.3% |
| 2023 | 72 | +9.1% |
| 2022 | 66 | −63.3% |
| 2021 | 180 | −30.0% |
| 2020 | 257 | −16.8% |
| 2019 | 309 | +22.1% |
| 2018 | 253 | −11.8% |
| 2017 | 287 | +47.2% |
| 2016 | 195 | +22.6% |
| 2015 | 159 | +28.2% |
| 2014 | 124 | −93.3% |
| 2011 | 1,842 | −7.1% |
| 2010 | 1,983 | +9.7% |
| 2009 | 1,808 | +4.8% |
| 2008 | 1,725 | +27.4% |
| 2007 | 1,354 | +13.6% |
| 2006 | 1,192 | +80.9% |
| 2005 | 659 | +3195.0% |
| 2004 | 20 | — |