| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 1 |
8.3%
|
|
| 2009 | 1 |
8.3%
|
|
| 2014 | 1 |
8.3%
|
|
| 2015 | 1 |
8.3%
|
|
| 2016 | 4 |
33.3%
|
|
| 2017 | 4 |
33.3%
|
|
| Sysmiss | 5346 |