| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 2 |
0.1%
|
| 2 | 12 years old | 5 |
0.4%
|
| 3 | 13 years old | 246 |
17.5%
|
| 4 | 14 years old | 534 |
38.1%
|
| 5 | 15 years old | 422 |
30.1%
|
| 6 | 16 years old | 163 |
11.6%
|
| 7 | 17 years old or older | 31 |
2.2%
|
| Sysmiss | 5 |