| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 6 |
0.4%
|
| 2 | 12 years old | 29 |
1.8%
|
| 3 | 13 years old | 357 |
22%
|
| 4 | 14 years old | 631 |
38.8%
|
| 5 | 15 years old | 487 |
30%
|
| 6 | 16 years old or older | 116 |
7.1%
|
| Sysmiss | 3 |