| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 1 |
7.1%
|
|
| 2006 | 1 |
7.1%
|
|
| 2008 | 1 |
7.1%
|
|
| 2011 | 1 |
7.1%
|
|
| 2012 | 1 |
7.1%
|
|
| 2015 | 7 |
50%
|
|
| 2016 | 2 |
14.3%
|
|
| Sysmiss | 325 |