| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 96 |
2.8%
|
| 2 | 12 years old | 85 |
2.5%
|
| 3 | 13 years old | 755 |
22.2%
|
| 4 | 14 years old | 939 |
27.7%
|
| 5 | 15 years old | 1022 |
30.1%
|
| 6 | 16 years old | 388 |
11.4%
|
| 7 | 17 years old or older | 110 |
3.2%
|
| Sysmiss | 148 |