| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 17 |
0.4%
|
| 2 | 12 years old | 85 |
2%
|
| 3 | 13 years old | 1289 |
30.5%
|
| 4 | 14 years old | 1337 |
31.7%
|
| 5 | 15 years old | 1274 |
30.2%
|
| 6 | 16 years old | 203 |
4.8%
|
| 7 | 17 years old or older | 19 |
0.4%
|
| Sysmiss | 2 |