| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 11 |
0.9%
|
| 2 | 12 years old | 121 |
10.4%
|
| 3 | 13 years old | 275 |
23.5%
|
| 4 | 14 years old | 330 |
28.2%
|
| 5 | 15 years old | 265 |
22.7%
|
| 6 | 16 years old or older | 167 |
14.3%
|
| Sysmiss | 1 |