| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 3 |
0.1%
|
| 2 | 12 years old | 19 |
0.7%
|
| 3 | 13 years old | 633 |
23%
|
| 4 | 14 years old | 788 |
28.6%
|
| 5 | 15 years old | 800 |
29%
|
| 6 | 16 years old | 362 |
13.1%
|
| 7 | 17 years old or older | 150 |
5.4%
|
| Sysmiss | 8 |