| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 years old or younger | 303 |
20%
|
| 2 | 13 years old | 246 |
16.2%
|
| 3 | 14 years old | 270 |
17.8%
|
| 4 | 15 years old | 219 |
14.4%
|
| 5 | 16 years old | 163 |
10.8%
|
| 6 | 17 years old | 166 |
10.9%
|
| 7 | 18 years old | 99 |
6.5%
|
| 8 | 19 years old or older | 50 |
3.3%
|
| Sysmiss | 60 |