| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 3 |
0.2%
|
| 2 | 12 years old | 289 |
16.1%
|
| 3 | 13 years old | 457 |
25.5%
|
| 4 | 14 years old | 382 |
21.3%
|
| 5 | 15 years old | 386 |
21.5%
|
| 6 | 16 years old or older | 275 |
15.3%
|
| Sysmiss | 8 |