| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20_40 | 17 |
18.1%
|
| 2 | 40_60 | 23 |
24.5%
|
| 3 | less_20 | 45 |
47.9%
|
| 4 | more_60 | 9 |
9.6%
|
| Sysmiss | 210 |