| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 0 |
0%
|
| 2 | 12 years old | 178 |
7.8%
|
| 3 | 13 years old | 502 |
22.1%
|
| 4 | 14 years old | 655 |
28.8%
|
| 5 | 15 years old | 626 |
27.5%
|
| 6 | 16 years old or older | 314 |
13.8%
|
| Sysmiss | 3 |