| Registrations | Change % | |
|---|---|---|
| 2002 | 434 | - |
| 2003 | 520 | 19.8% |
| 2004 | 656 | 26.2% |
| 2005 | 1,026 | 56.4% |
| 2006 | 1,083 | 5.6% |
| 2007 | 1,657 | 53.0% |
| 2008 | 983 | -40.7% |
| 2009 | 720 | -26.8% |
| 2010 | 734 | 1.9% |
| 2011 | 738 | 0.5% |
| 2012 | 639 | -13.4% |
| 2013 | 749 | 17.2% |
| 2014 | 1,020 | 36.2% |
| 2015 | 1,198 | 17.5% |
| 2016 | 1,117 | -6.8% |
| 2017 | 1,001 | -10.4% |
| 2018 | 867 | -13.4% |
| 2019 | 894 | 3.1% |
| 2020 | 392 | -56.2% |
| 2021 | 680 | 73.5% |
| 2022 | 1,343 | 97.5% |
| 2023 | 1,280 | -4.7% |