| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 373 |
19.8%
|
| 2 | 12 years old | 276 |
14.6%
|
| 3 | 13 years old | 258 |
13.7%
|
| 4 | 14 years old | 231 |
12.2%
|
| 5 | 15 years old | 408 |
21.6%
|
| 6 | 16 years old | 127 |
6.7%
|
| 7 | 17 years old or older | 213 |
11.3%
|
| Sysmiss | 112 |