| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 88 |
4.2%
|
| 2 | 12 years old | 29 |
1.4%
|
| 3 | 13 years old | 88 |
4.2%
|
| 4 | 14 years old | 452 |
21.8%
|
| 5 | 15 years old | 611 |
29.4%
|
| 6 | 16 years old | 704 |
33.9%
|
| 7 | 17 years old or older | 103 |
5%
|
| Sysmiss | 37 |