| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 0 |
0%
|
| 2 | 12 years old | 2 |
0.1%
|
| 3 | 13 years old | 373 |
15.5%
|
| 4 | 14 years old | 463 |
19.3%
|
| 5 | 15 years old | 667 |
27.8%
|
| 6 | 16 years old | 592 |
24.7%
|
| 7 | 17 years old | 302 |
12.6%
|
| 8 | 18 years old or older | 1 |
0%
|
| Sysmiss | 1 |