| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 5 |
0.4%
|
| 2 | 12 years old | 3 |
0.2%
|
| 3 | 13 years old | 139 |
11%
|
| 4 | 14 years old | 272 |
21.5%
|
| 5 | 15 years old | 349 |
27.6%
|
| 6 | 16 years old or older | 495 |
39.2%
|
| Sysmiss | 17 |