| Value | Category | Cases | |
|---|---|---|---|
| 1 | 13 years old | 13436 |
29.6%
|
| 2 | 14 years old | 9169 |
20.2%
|
| 3 | 15 years old | 8101 |
17.8%
|
| 4 | 16 years old | 7099 |
15.6%
|
| 5 | 17 years old | 7637 |
16.8%
|