| Value | Category | Cases | |
|---|---|---|---|
| 1 | 18-21 | 2 |
1.2%
|
| 2 | 22-35 | 72 |
43.6%
|
| 3 | 36-59 | 82 |
49.7%
|
| 4 | over60 | 9 |
5.5%
|
| Missing value | 101 |