| Value | Category | Cases | |
|---|---|---|---|
| 1 | 30 |
1.4%
|
|
| 2 | 57 |
2.7%
|
|
| 3 | 15 |
0.7%
|
|
| 4 | 5 |
0.2%
|
|
| 5 | 2 |
0.1%
|
|
| 9 | 1 |
0%
|
|
| 14 | 1 |
0%
|
|
| Sysmiss | 2019 |