| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 63 |
2.4%
|
| 2 | 12 years old | 52 |
2%
|
| 3 | 13 years old | 100 |
3.8%
|
| 4 | 14 years old | 177 |
6.7%
|
| 5 | 15 years old | 212 |
8%
|
| 6 | 16 years old | 301 |
11.3%
|
| 7 | 17 years old | 419 |
15.7%
|
| 8 | 18 years old or older | 1337 |
50.2%
|
| Sysmiss | 83 |