| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 48 |
0.9%
|
| 2 | 12 years old | 770 |
15.1%
|
| 3 | 13 years old | 1393 |
27.3%
|
| 4 | 14 years old | 1341 |
26.3%
|
| 5 | 15 years old | 1020 |
20%
|
| 6 | 16 years old or older | 522 |
10.2%
|
| Sysmiss | 21 |