| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5-9 | 7110 |
50.6%
|
| 2 | 10-14 | 4642 |
33.1%
|
| 3 | 15-17 | 2275 |
16.2%
|
| Sysmiss | 11 |
0.1%
|