| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 24 |
1.1%
|
| 2 | 12 years old | 268 |
11.8%
|
| 3 | 13 years old | 618 |
27.2%
|
| 4 | 14 years old | 619 |
27.2%
|
| 5 | 15 years old | 477 |
21%
|
| 6 | 16 years old or older | 267 |
11.7%
|
| Sysmiss | 13 |