| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 6 |
0.3%
|
| 2 | 12 years old | 183 |
8.4%
|
| 3 | 13 years old | 617 |
28.5%
|
| 4 | 14 years old | 656 |
30.3%
|
| 5 | 15 years old | 618 |
28.5%
|
| 6 | 16 years old or older | 87 |
4%
|
| Sysmiss | 1 |