| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 10 |
0.9%
|
| 2 | Day | 328 |
30.8%
|
| 3 | Week | 46 |
4.3%
|
| 4 | Month | 657 |
61.7%
|
| 96 | Other (specify) | 24 |
2.3%
|
| Sysmiss | 7658 |