| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 20 |
2.4%
|
| 2 | 12 years old | 82 |
10%
|
| 3 | 13 years old | 176 |
21.5%
|
| 4 | 14 years old | 238 |
29.1%
|
| 5 | 15 years old | 200 |
24.4%
|
| 6 | 16 years old or older | 102 |
12.5%
|
| Sysmiss | 11 |