| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 14 |
0.4%
|
| 2 | 12 years old | 11 |
0.3%
|
| 3 | 13 years old | 715 |
20.5%
|
| 4 | 14 years old | 1073 |
30.8%
|
| 5 | 15 years old | 1070 |
30.7%
|
| 6 | 16 years old or older | 605 |
17.3%
|
| Sysmiss | 36 |