| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 51 |
5.2%
|
| 2 | Day | 448 |
45.4%
|
| 3 | Week | 103 |
10.4%
|
| 4 | Two weeks | 70 |
7.1%
|
| 5 | Month | 314 |
31.8%
|
| Sysmiss | 2371 |