| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 4 |
0.3%
|
| 2 | Day | 339 |
27.6%
|
| 3 | Week | 168 |
13.7%
|
| 4 | Month | 683 |
55.6%
|
| 5 | Other (specify) | 34 |
2.8%
|
| Sysmiss | 10276 |