| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 10 |
0.3%
|
| 2 | 12 years old | 281 |
7%
|
| 3 | 13 years old | 1204 |
30.1%
|
| 4 | 14 years old | 1277 |
32%
|
| 5 | 15 years old | 1084 |
27.1%
|
| 6 | 16 years old | 128 |
3.2%
|
| 7 | 17 years old or older | 12 |
0.3%
|
| Sysmiss | 1 |