| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 0 |
0%
|
| 1 | Hour | 0 |
0%
|
| 2 | Day | 17 |
13.2%
|
| 3 | Week | 3 |
2.3%
|
| 4 | Month | 103 |
79.8%
|
| 5 | Year | 6 |
4.7%
|
| Sysmiss | 2142 |