| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 4 |
0.1%
|
| 2 | 12 years old | 22 |
0.7%
|
| 3 | 13 years old | 899 |
27.7%
|
| 4 | 14 years old | 1019 |
31.4%
|
| 5 | 15 years old | 1073 |
33%
|
| 6 | 16 years old | 213 |
6.6%
|
| 7 | 17 years old or older | 19 |
0.6%
|
| Sysmiss | 1 |