| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5-9 | 7556 |
43.9%
|
| 2 | 10-14 | 5922 |
34.4%
|
| 3 | 15-17 | 3541 |
20.6%
|
| Sysmiss | 191 |
1.1%
|