| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-6 | 183 |
46.3%
|
| 2 | 7-18 | 66 |
16.7%
|
| 4 | 19-24 | 31 |
7.8%
|
| 5 | 25+ | 106 |
26.8%
|
| 9 | Not stated | 9 |
2.3%
|
| Sysmiss | 1269 |