| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5-9 | 875 |
32.5%
|
| 2 | 10-14 | 848 |
31.5%
|
| 3 | 15-17 | 658 |
24.5%
|
| Sysmiss | 310 |
11.5%
|