| 年份 | 案件数量 |
| 2008 | 3 |
| 2010 | 4 |
| 2011 | 9 |
| 2012 | 3 |
| 2013 | 14 |
| 2014 | 67 |
| 2015 | 73 |
| 2016 | 81 |
| 2017 | 90 |
| 2018 | 105 |
| 2019 | 78 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 2 |