| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 13 years old | 29 |
1.7%
|
| 2 | 13 years old | 680 |
39%
|
| 3 | 14 years old | 439 |
25.2%
|
| 4 | 15 years old | 548 |
31.5%
|
| 5 | more than 15 years old | 46 |
2.6%
|
| Sysmiss | 1 |