| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 32 |
1.1%
|
| 2 | 12 years old | 355 |
12%
|
| 3 | 13 years old | 664 |
22.5%
|
| 4 | 14 years old | 720 |
24.4%
|
| 5 | 15 years old | 711 |
24.1%
|
| 6 | 16 years old or older | 465 |
15.8%
|
| Sysmiss | 22 |