| Year | Total | vs prev |
|---|---|---|
| 2026 YTD | 63 | +3.3% |
| 2025 | 199 | +30.1% |
| 2024 | 153 | −45.0% |
| 2023 | 278 | −57.6% |
| 2022 | 655 | +9.7% |
| 2021 | 597 | +120.3% |
| 2020 | 271 | −68.1% |
| 2019 | 849 | +1.4% |
| 2018 | 837 | −14.9% |
| 2017 | 984 | +34.2% |
| 2016 | 733 | +177.7% |
| 2015 | 264 | −24.8% |
| 2014 | 351 | −19.5% |
| 2013 | 436 | −33.2% |
| 2012 | 653 | −24.9% |
| 2011 | 869 | +144.8% |
| 2010 | 355 | +188.6% |
| 2009 | 123 | — |