| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 9 |
0.9%
|
| 2 | Day | 187 |
19.2%
|
| 3 | Week | 75 |
7.7%
|
| 4 | Two weeks | 76 |
7.8%
|
| 5 | Month | 629 |
64.4%
|
| Sysmiss | 2925 |