| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 0 |
0%
|
| 1 | Hour | 2 |
1.3%
|
| 2 | Day | 26 |
16.7%
|
| 3 | Week | 1 |
0.6%
|
| 4 | Month | 121 |
77.6%
|
| 5 | Year | 6 |
3.8%
|
| Sysmiss | 2115 |