| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2014 | 3 |
3.3%
|
| 2 | 2015 | 10 |
11.1%
|
| 3 | 2016 | 74 |
82.2%
|
| d | 3 |
3.3%
|
|
| Sysmiss | 835 |