| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 13 years old | 10 |
0.5%
|
| 2 | 13 years old | 978 |
45%
|
| 3 | 14 years old | 756 |
34.8%
|
| 4 | 15 years old | 409 |
18.8%
|
| 5 | more than 15 years old | 21 |
1%
|
| Sysmiss | 3 |