| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 1 |
4%
|
| -88 | Other | 0 |
0%
|
| 1 | Day | 0 |
0%
|
| 2 | Week | 0 |
0%
|
| 3 | Month | 24 |
96%
|
| 4 | Season | 0 |
0%
|
| 5 | Year | 0 |
0%
|
| Sysmiss | 1354 |