| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 87 |
5.4%
|
| 2 | 12 years old | 113 |
7%
|
| 3 | 13 years old | 401 |
25%
|
| 4 | 14 years old | 499 |
31.1%
|
| 5 | 15 years old | 410 |
25.5%
|
| 6 | 16 years old | 72 |
4.5%
|
| 7 | 17 years old | 24 |
1.5%
|
| 8 | 18 and over | 0 |
0%
|
| Sysmiss | 55 |