| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 1 |
3%
|
|
| 2010 | 2 |
6.1%
|
|
| 2016 | 2 |
6.1%
|
|
| 2017 | 2 |
6.1%
|
|
| 2018 | 1 |
3%
|
|
| 2019 | 25 |
75.8%
|
|
| Sysmiss | 3994 |