| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 69 |
3.9%
|
| 2 | 12 years old | 38 |
2.2%
|
| 3 | 13 years old | 18 |
1%
|
| 4 | 14 years old | 354 |
20.2%
|
| 5 | 15 years old | 645 |
36.8%
|
| 6 | 16 years old | 527 |
30.1%
|
| 7 | 17 years old or older | 102 |
5.8%
|
| Sysmiss | 38 |