| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 1 |
14.3%
|
| 1 | All months of the year | 1 |
14.3%
|
| 2 | Only specific months (seasonally) | 2 |
28.6%
|
| 3 | Occasionaly | 3 |
42.9%
|
| Sysmiss | 3993 |