| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 5 |
0.3%
|
| 2 | 12 years old | 7 |
0.4%
|
| 3 | 13 years old | 145 |
8.2%
|
| 4 | 14 years old | 437 |
24.6%
|
| 5 | 15 years old | 561 |
31.6%
|
| 6 | 16 years old or older | 618 |
34.9%
|
| Sysmiss | 21 |