| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 2 |
11.8%
|
|
| 2005 | 2 |
11.8%
|
|
| 2015 | 2 |
11.8%
|
|
| 2016 | 2 |
11.8%
|
|
| 2017 | 3 |
17.6%
|
|
| 2018 | 4 |
23.5%
|
|
| 2019 | 2 |
11.8%
|
|
| Sysmiss | 11481 |