| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 16 |
2.5%
|
| 2 | Day | 294 |
45.2%
|
| 3 | Week | 43 |
6.6%
|
| 4 | Month | 261 |
40.2%
|
| 96 | Other (specify) | 36 |
5.5%
|
| Sysmiss | 7505 |