| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 9 |
0.3%
|
| 2 | 12 years old | 59 |
2.2%
|
| 3 | 13 years old | 431 |
16.2%
|
| 4 | 14 years old | 540 |
20.3%
|
| 5 | 15 years old | 639 |
24%
|
| 6 | 16 years old or older | 988 |
37.1%
|
| Sysmiss | 9 |