| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 2 |
1.1%
|
| 2 | Day | 81 |
46%
|
| 3 | Week | 35 |
19.9%
|
| 4 | Month | 44 |
25%
|
| 5 | Other (specify) | 14 |
8%
|
| Sysmiss | 14575 |