| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 5 |
0.3%
|
| 2 | 12 years old | 16 |
0.9%
|
| 3 | 13 years old | 265 |
14.6%
|
| 4 | 14 years old | 487 |
26.8%
|
| 5 | 15 years old | 493 |
27.1%
|
| 6 | 16 years old or older | 550 |
30.3%
|
| Sysmiss | 4 |