| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 1 |
25%
|
|
| 2015 | 1 |
25%
|
|
| 2016 | 2 |
50%
|
|
| 9999 | NOT STATED | 0 |
0%
|
| Sysmiss | 4906 |