| Value | Category | Cases | |
|---|---|---|---|
| 1 | 18-21 | 7 |
5.1%
|
| 2 | 22-35 | 62 |
45.6%
|
| 3 | 36-59 | 65 |
47.8%
|
| 4 | over60 | 2 |
1.5%
|
| Missing value | 100 |