| Value | Category | Cases | |
|---|---|---|---|
| 1 | 13 years or younger | 128 |
8.6%
|
| 2 | 14 years | 273 |
18.4%
|
| 3 | 15 years | 299 |
20.1%
|
| 4 | 16 years | 296 |
19.9%
|
| 5 | 17 years or older | 490 |
33%
|
| Sysmiss | 6 |