| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 1 |
0.6%
|
| 1 | All months of the year | 30 |
17.2%
|
| 2 | Only specific months (seasonally) | 41 |
23.6%
|
| 3 | Occasionaly | 102 |
58.6%
|
| Sysmiss | 3826 |