| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 8 |
0.4%
|
| 2 | 12 years old | 5 |
0.2%
|
| 3 | 13 years old | 199 |
9%
|
| 4 | 14 years old | 409 |
18.6%
|
| 5 | 15 years old | 533 |
24.2%
|
| 6 | 16 years old or older | 1047 |
47.6%
|
| Sysmiss | 95 |