| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20_40 | 14 |
21.5%
|
| 2 | 40_60 | 42 |
64.6%
|
| 3 | less_20 | 4 |
6.2%
|
| 4 | more_60 | 5 |
7.7%
|
| Sysmiss | 461 |