| Year | Number of Cases |
|---|---|
| 1999 | 1 |
| 2000 | 949 |
| 2001 | 681 |
| 2002 | 425 |
| 2003 | 399 |
| 2004 | 427 |
| 2005 | 547 |
| 2006 | 693 |
| 2007 | 841 |
| 2008 | 838 |
| 2009 | 665 |
| 2010 | 779 |
| 2011 | 786 |
| 2012 | 783 |
| 2013 | 650 |
| 2014 | 670 |
| 2015 | 612 |
| 2016 | 680 |
| 2017 | 758 |
| 2018 | 839 |
| 2019 | 953 |
| 2020 | 1055 |
| 2021 | 1193 |
| 2022 | 1472 |
| 2023 | 1589 |
| 2024 | 267 |