| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 6 |
0.6%
|
| 2 | 12 years old | 123 |
13%
|
| 3 | 13 years old | 185 |
19.5%
|
| 4 | 14 years old | 210 |
22.2%
|
| 5 | 15 years old | 183 |
19.3%
|
| 6 | 16 years old or older | 240 |
25.3%
|
| Sysmiss | 4 |