| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 36 |
2%
|
| 2 | 12 years old | 133 |
7.6%
|
| 3 | 13 years old | 242 |
13.8%
|
| 4 | 14 years old | 333 |
19%
|
| 5 | 15 years old | 352 |
20%
|
| 6 | 16 years old | 320 |
18.2%
|
| 7 | 17 years old or older | 341 |
19.4%
|
| Sysmiss | 18 |