| Value | Category | Cases | |
|---|---|---|---|
| 1998 | 1 |
12.5%
|
|
| 1999 | 1 |
12.5%
|
|
| 2010 | 1 |
12.5%
|
|
| 2012 | 2 |
25%
|
|
| 2013 | 1 |
12.5%
|
|
| 2016 | 1 |
12.5%
|
|
| 2017 | 1 |
12.5%
|
|
| Sysmiss | 207 |