| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 15 |
11.1%
|
| 2 | 12 years old | 22 |
16.3%
|
| 3 | 13 years old | 22 |
16.3%
|
| 4 | 14 years old | 18 |
13.3%
|
| 5 | 15 years old | 23 |
17%
|
| 6 | 16 years old | 16 |
11.9%
|
| 7 | 17 years old | 10 |
7.4%
|
| 8 | 18 years old or older | 9 |
6.7%
|
| Sysmiss | 5 |