| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 1 |
0.9%
|
| 1 | All months of the year | 75 |
65.2%
|
| 2 | Only specific months (seasonally) | 13 |
11.3%
|
| 3 | Occasionaly | 26 |
22.6%
|
| Sysmiss | 3885 |