| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 225 |
6%
|
| 2 | 12 years old | 218 |
5.9%
|
| 3 | 13 years old | 685 |
18.4%
|
| 4 | 14 years old | 943 |
25.3%
|
| 5 | 15 years old | 946 |
25.4%
|
| 6 | 16 years old | 492 |
13.2%
|
| 7 | 17 years old or older | 211 |
5.7%
|
| Sysmiss | 109 |