| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 0 |
0%
|
| 1 | Hour | 1 |
4.5%
|
| 2 | Day | 3 |
13.6%
|
| 3 | Week | 0 |
0%
|
| 4 | Month | 18 |
81.8%
|
| 5 | Year | 0 |
0%
|
| Sysmiss | 3135 |