| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less then 13 years old | 2 |
0.1%
|
| 2 | 13 years old | 720 |
32.2%
|
| 3 | 14 years old | 1023 |
45.8%
|
| 4 | 15 years old | 480 |
21.5%
|
| 5 | More than 15 years old | 10 |
0.4%
|
| Sysmiss | 1 |