| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 6 |
0.4%
|
| 2 | 12 years old | 32 |
2%
|
| 3 | 13 years old | 295 |
18.8%
|
| 4 | 14 years old | 432 |
27.6%
|
| 5 | 15 years old | 389 |
24.8%
|
| 6 | 16 years old or older | 414 |
26.4%
|
| Sysmiss | 7 |