| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 3 |
0.3%
|
| 2 | 12 years old | 15 |
1.5%
|
| 3 | 13 years old | 175 |
17.8%
|
| 4 | 14 years old | 368 |
37.5%
|
| 5 | 15 years old | 381 |
38.8%
|
| 6 | 16 years old or older | 39 |
4%
|
| Sysmiss | 44 |