| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 3 |
0.2%
|
| 2 | 12 years old | 221 |
13.8%
|
| 3 | 13 years old | 405 |
25.4%
|
| 4 | 14 years old | 374 |
23.4%
|
| 5 | 15 years old | 368 |
23%
|
| 6 | 16 years old or older | 226 |
14.2%
|
| Sysmiss | 9 |