| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.5%
|
|
| 2015 | 4 |
0.5%
|
|
| 2016 | 57 |
6.7%
|
|
| 2017 | 74 |
8.7%
|
|
| 2018 | 154 |
18.2%
|
|
| 2019 | 282 |
33.3%
|
|
| 2020 | 273 |
32.2%
|
|
| Sysmiss | 207 |