| Year | Total | vs prev |
|---|---|---|
| 2026 YTD | 0 | −100.0% |
| 2025 | 28 | −92.5% |
| 2024 | 374 | −84.0% |
| 2023 | 2,336 | +7.2% |
| 2022 | 2,179 | +30.2% |
| 2021 | 1,673 | −15.1% |
| 2020 | 1,971 | −40.7% |
| 2019 | 3,326 | −30.2% |
| 2018 | 4,764 | −4.5% |
| 2017 | 4,987 | +13378.4% |
| 2016 | 37 | — |
| 2014 | 0 | −100.0% |
| 2013 | 41 | −95.6% |
| 2012 | 939 | −62.6% |
| 2011 | 2,512 | −17.2% |
| 2010 | 3,034 | +192.0% |
| 2009 | 1,039 | −42.1% |
| 2008 | 1,794 | −32.0% |
| 2007 | 2,639 | −7.5% |
| 2006 | 2,852 | +6.2% |
| 2005 | 2,685 | −17.4% |
| 2004 | 3,252 | +0.4% |
| 2003 | 3,238 | −10.2% |
| 2002 | 3,606 | +26.9% |
| 2001 | 2,842 | — |