| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 4 |
0.3%
|
| 2 | 12 years old | 3 |
0.2%
|
| 3 | 13 years old | 279 |
22.1%
|
| 4 | 14 years old | 452 |
35.9%
|
| 5 | 15 years old | 383 |
30.4%
|
| 6 | 16 years old | 132 |
10.5%
|
| 7 | 17 years old or older | 7 |
0.6%
|
| Sysmiss | 1 |