| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 1 |
10%
|
|
| 2003 | 1 |
10%
|
|
| 2010 | 1 |
10%
|
|
| 2011 | 1 |
10%
|
|
| 2014 | 2 |
20%
|
|
| 2017 | 4 |
40%
|
|
| Sysmiss | 295 |