| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 11 |
0.6%
|
| 2 | 12 years old | 39 |
2.1%
|
| 3 | 13 years old | 208 |
11.3%
|
| 4 | 14 years old | 363 |
19.8%
|
| 5 | 15 years old | 472 |
25.7%
|
| 6 | 16 years old or older | 743 |
40.5%
|
| Sysmiss | 18 |