| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 67 |
1.9%
|
| 2 | 12 years old | 41 |
1.1%
|
| 3 | 13 years old | 227 |
6.3%
|
| 4 | 14 years old | 1077 |
29.9%
|
| 5 | 15 years old | 1125 |
31.2%
|
| 6 | 16 years old | 1010 |
28%
|
| 7 | 17 years old or older | 59 |
1.6%
|
| Sysmiss | 85 |