| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 1 |
0%
|
| 2 | 12 years old | 4 |
0.2%
|
| 3 | 13 years old | 415 |
17.7%
|
| 4 | 14 years old | 760 |
32.4%
|
| 5 | 15 years old | 706 |
30.1%
|
| 6 | 16 years old | 343 |
14.6%
|
| 7 | 17 years old or older | 120 |
5.1%
|
| Sysmiss | 6 |