| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 11 |
0.4%
|
| 2 | 12 years old | 26 |
1%
|
| 3 | 13 years old | 572 |
23.1%
|
| 4 | 14 years old | 655 |
26.4%
|
| 5 | 15 years old | 823 |
33.2%
|
| 6 | 16 years old | 309 |
12.5%
|
| 7 | 17 years old or older | 81 |
3.3%
|