| Value | Category | Cases | |
|---|---|---|---|
| 1 | hours | 37 |
0.3%
|
| 2 | days | 1816 |
15.5%
|
| 3 | weeks | 315 |
2.7%
|
| 9 | special | 7 |
0.1%
|
| Sysmiss | 9562 |
81.5%
|