| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8-10 | 21 |
1.9%
|
| 1 | 11-14 | 366 |
33.3%
|
| 2 | 15-17 | 644 |
58.5%
|
| 3 | 18-19 | 69 |
6.3%
|
| Sysmiss | 740 |