| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 8 |
0.2%
|
| 2 | 12 years | 12 |
0.3%
|
| 3 | 13 years old | 602 |
15.1%
|
| 4 | 14 years old | 998 |
25%
|
| 5 | 15 years old | 1476 |
37%
|
| 6 | 16 years old | 857 |
21.5%
|
| 7 | 17 years old or older | 34 |
0.9%
|
| Sysmiss | 7 |