| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 102 |
2%
|
| 2 | 12 years old | 1071 |
20.7%
|
| 3 | 13 years old | 2415 |
46.6%
|
| 4 | 14 years old | 1162 |
22.4%
|
| 5 | 15 years old | 333 |
6.4%
|
| 6 | 16 years old or older | 96 |
1.9%
|
| Sysmiss | 70 |