| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 12 |
0.8%
|
| 2 | 12 years old | 260 |
17%
|
| 3 | 13 years old | 399 |
26%
|
| 4 | 14 years old | 452 |
29.5%
|
| 5 | 15 years old | 264 |
17.2%
|
| 6 | 16 years old | 140 |
9.1%
|
| 7 | 17 years old or older | 5 |
0.3%
|
| Sysmiss | 4 |