| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 6 |
0.3%
|
| 2 | 12 years old | 14 |
0.8%
|
| 3 | 13 years old | 366 |
21.2%
|
| 4 | 14 years old | 585 |
33.8%
|
| 5 | 15 years old | 506 |
29.2%
|
| 6 | 16 years old or older | 253 |
14.6%
|
| Sysmiss | 10 |