| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2014 | 10 |
17.5%
|
| 2 | 2015 | 3 |
5.3%
|
| 3 | 2016 | 38 |
66.7%
|
| d | 4 |
7%
|
|
| r | 2 |
3.5%
|
|
| Sysmiss | 868 |