| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 62 |
1.4%
|
| 2 | 12 years old | 427 |
9.5%
|
| 3 | 13 years old | 1358 |
30.3%
|
| 4 | 14 years old | 1496 |
33.4%
|
| 5 | 15 years old | 1055 |
23.5%
|
| 6 | 16 years old | 80 |
1.8%
|
| 7 | 17 years old | 7 |
0.2%
|
| 8 | 18 and over | 0 |
0%
|
| Sysmiss | 37 |