| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5-9 | 2766 |
47.3%
|
| 2 | 10-14 | 2086 |
35.7%
|
| 3 | 15-17 | 984 |
16.8%
|
| Sysmiss | 13 |
0.2%
|