| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 0 |
0%
|
| 2 | 12 years old | 50 |
3.3%
|
| 3 | 13 years old | 461 |
30.7%
|
| 4 | 14 years old | 481 |
32%
|
| 5 | 15 years old | 474 |
31.5%
|
| 6 | 16 years old | 35 |
2.3%
|
| 7 | 17 years old or older | 3 |
0.2%
|
| Sysmiss | 1 |