| Value | Category | Cases | |
|---|---|---|---|
| 2011 | 1 |
3.6%
|
|
| 2012 | 7 |
25%
|
|
| 2014 | 5 |
17.9%
|
|
| 2015 | 14 |
50%
|
|
| 2016 | 1 |
3.6%
|
|
| Sysmiss | 44586 |