| Year | Total | vs prev |
|---|---|---|
| 2026 YTD | 17 | −82.8% |
| 2025 | 147 | −70.2% |
| 2024 | 493 | −66.1% |
| 2023 | 1,455 | −21.9% |
| 2022 | 1,862 | +36.6% |
| 2021 | 1,363 | +76.8% |
| 2020 | 771 | −5.7% |
| 2019 | 818 | −38.4% |
| 2018 | 1,329 | +829.4% |
| 2017 | 143 | −87.0% |
| 2016 | 1,097 | −56.4% |
| 2015 | 2,516 | −40.3% |
| 2014 | 4,212 | +14.8% |
| 2013 | 3,670 | +26.6% |
| 2012 | 2,898 | — |
| 2010 | 0 | −100.0% |
| 2009 | 68 | −86.4% |
| 2008 | 500 | +9.6% |
| 2007 | 456 | — |