| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 3 |
0.3%
|
| 2 | 12 years old | 2 |
0.2%
|
| 3 | 13 years old | 226 |
19%
|
| 4 | 14 years old | 357 |
30.1%
|
| 5 | 15 years old | 372 |
31.3%
|
| 6 | 16 years old or older | 227 |
19.1%
|
| Sysmiss | 8 |