| Year | Number of Cases |
|---|---|
| 1999 | 1 |
| 2000 | 907 |
| 2001 | 720 |
| 2002 | 541 |
| 2003 | 494 |
| 2004 | 527 |
| 2005 | 635 |
| 2006 | 796 |
| 2007 | 930 |
| 2008 | 877 |
| 2009 | 689 |
| 2010 | 919 |
| 2011 | 928 |
| 2012 | 798 |
| 2013 | 743 |
| 2014 | 849 |
| 2015 | 847 |
| 2016 | 894 |
| 2017 | 920 |
| 2018 | 976 |
| 2019 | 1128 |
| 2020 | 1362 |
| 2021 | 1758 |
| 2022 | 2051 |
| 2023 | 2167 |
| 2024 | 705 |