| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 1 |
4.3%
|
|
| 2004 | 1 |
4.3%
|
|
| 2006 | 1 |
4.3%
|
|
| 2011 | 2 |
8.7%
|
|
| 2012 | 2 |
8.7%
|
|
| 2014 | 1 |
4.3%
|
|
| 2016 | 5 |
21.7%
|
|
| 2017 | 7 |
30.4%
|
|
| 2018 | 3 |
13%
|
|
| Sysmiss | 2615 |