| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 15 |
0.7%
|
| 2 | 12 years old | 17 |
0.8%
|
| 3 | 13 years old | 175 |
8%
|
| 4 | 14 years old | 635 |
29%
|
| 5 | 15 years old | 821 |
37.5%
|
| 6 | 16 years old or older | 528 |
24.1%
|
| Sysmiss | 6 |