| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 2 |
0.1%
|
| 2 | 12 years old | 0 |
0%
|
| 3 | 13 years old | 719 |
18.8%
|
| 4 | 14 years old | 889 |
23.3%
|
| 5 | 15 years old | 828 |
21.7%
|
| 6 | 16 years old | 712 |
18.6%
|
| 7 | 17 years old | 665 |
17.4%
|
| 8 | 18 years old or older | 7 |
0.2%
|
| Sysmiss | 10 |