| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 101 |
5.1%
|
| 2 | 12 years old | 324 |
16.5%
|
| 3 | 13 years old | 570 |
29%
|
| 4 | 14 years old | 490 |
25%
|
| 5 | 15 years old | 315 |
16%
|
| 6 | 16 years old or older | 163 |
8.3%
|
| Sysmiss | 8 |