| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 0 |
0%
|
| 1 | Hour | 0 |
0%
|
| 2 | Day | 29 |
11.7%
|
| 3 | Week | 1 |
0.4%
|
| 4 | Month | 213 |
86.2%
|
| 5 | Year | 4 |
1.6%
|
| Sysmiss | 2910 |