| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 89 |
5%
|
| 2 | 12 years old | 115 |
6.5%
|
| 3 | 13 years old | 194 |
10.9%
|
| 4 | 14 years old | 337 |
19%
|
| 5 | 15 years old | 339 |
19.1%
|
| 6 | 16 years old | 397 |
22.4%
|
| 7 | 17 years old or older | 303 |
17.1%
|
| Sysmiss | 33 |