| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 5 |
0.3%
|
| 2 | 12 years old | 6 |
0.4%
|
| 3 | 13 years old | 68 |
4.2%
|
| 4 | 14 years old | 420 |
26.1%
|
| 5 | 15 years old | 441 |
27.4%
|
| 6 | 16 years old | 352 |
21.9%
|
| 7 | 17 years old | 194 |
12.1%
|
| 8 | 18 years old or older | 123 |
7.6%
|
| Sysmiss | 9 |