| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 40 hours | 7052 |
29.2%
|
| 2 | 40 hours | 1366 |
5.6%
|
| 3 | More than 40 hours | 15774 |
65.2%
|
| Sysmiss | 27559 |