| Year | Total | vs prev |
|---|---|---|
| 2026 YTD | 441 | +300.9% |
| 2025 | 979 | +702.5% |
| 2024 | 122 | −31.5% |
| 2023 | 178 | +17.1% |
| 2022 | 152 | −26.2% |
| 2021 | 206 | +15.7% |
| 2020 | 178 | −55.7% |
| 2019 | 402 | −32.3% |
| 2018 | 594 | −1.0% |
| 2017 | 600 | +60.0% |
| 2016 | 375 | −42.4% |
| 2015 | 651 | +1.4% |
| 2014 | 642 | −6.8% |
| 2013 | 689 | −27.0% |
| 2012 | 944 | −12.0% |
| 2011 | 1,073 | −16.2% |
| 2010 | 1,280 | +21.9% |
| 2009 | 1,050 | +68.5% |
| 2008 | 623 | +592.2% |
| 2007 | 90 | — |