| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 1 |
2.9%
|
|
| 2014 | 1 |
2.9%
|
|
| 2016 | 5 |
14.7%
|
|
| 2017 | 7 |
20.6%
|
|
| 2018 | 6 |
17.6%
|
|
| 2019 | 8 |
23.5%
|
|
| 2020 | 6 |
17.6%
|
|
| Sysmiss | 4146 |