| Value | Category | Cases | |
|---|---|---|---|
| 1 | 18-21 | 25 |
9%
|
| 2 | 22-35 | 125 |
45%
|
| 3 | 36-59 | 123 |
44.2%
|
| 4 | over60 | 5 |
1.8%
|
| Missing value | 158 |