| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hours | 2373 |
52%
|
| 2 | Days | 1958 |
42.9%
|
| 3 | Weeks | 206 |
4.5%
|
| 9 | Special | 24 |
0.5%
|
| Sysmiss | 31615 |