| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 34 |
3.7%
|
|
| 2017 | 53 |
5.8%
|
|
| 2018 | 163 |
17.9%
|
|
| 2019 | 309 |
33.8%
|
|
| 2020 | 354 |
38.8%
|
|
| Sysmiss | 272 |