| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month | 3 |
1.3%
|
| 2 | Season | 84 |
37.2%
|
| 3 | Year | 139 |
61.5%
|
| 4 | Other (specify) | 0 |
0%
|
| Sysmiss | 3779 |