| Value | Category | Cases | |
|---|---|---|---|
| 18 | 11 |
2.1%
|
|
| 19 | 1 |
0.2%
|
|
| 2013 | 2 |
0.4%
|
|
| 2015 | 1 |
0.2%
|
|
| 2018 | 423 |
80.7%
|
|
| 2019 | 86 |
16.4%
|
|
| Sysmiss | 2063 |