| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 1 |
1.7%
|
| 1 | Hour | 0 |
0%
|
| 2 | Day | 6 |
10.2%
|
| 3 | Week | 1 |
1.7%
|
| 4 | Month | 50 |
84.7%
|
| 5 | Year | 1 |
1.7%
|
| Sysmiss | 2212 |