| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 27 |
9.1%
|
|
| 2015 | 222 |
74.7%
|
|
| 2016 | 17 |
5.7%
|
|
| 2017 | 7 |
2.4%
|
|
| 2018 | 7 |
2.4%
|
|
| 2019 | 16 |
5.4%
|
|
| 2020 | 1 |
0.3%
|
|
| Sysmiss | 3119 |