| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 5 |
0.3%
|
| 2 | 12 years old | 289 |
14.8%
|
| 3 | 13 years old | 515 |
26.3%
|
| 4 | 14 years old | 606 |
31%
|
| 5 | 15 years old | 397 |
20.3%
|
| 6 | 16 years old or older | 145 |
7.4%
|
| Sysmiss | 14 |