| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 51 |
1%
|
| 2 | 12 years old | 948 |
17.7%
|
| 3 | 13 years old | 1447 |
27%
|
| 4 | 14 years old | 1286 |
24%
|
| 5 | 15 years old | 1319 |
24.6%
|
| 6 | 16 years old | 279 |
5.2%
|
| 7 | 17 years old or older | 29 |
0.5%
|
| Sysmiss | 29 |