| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5-9 | 7761 |
52.2%
|
| 2 | 10-14 | 4760 |
32%
|
| 3 | 15-17 | 2311 |
15.5%
|
| Sysmiss | 33 |
0.2%
|