| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 0 |
0%
|
| 1 | Hour | 0 |
0%
|
| 2 | Day | 6 |
11.1%
|
| 3 | Week | 1 |
1.9%
|
| 4 | Month | 46 |
85.2%
|
| 5 | Year | 1 |
1.9%
|
| Sysmiss | 3103 |