| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 5 |
1.9%
|
| 1 | All months of the year | 247 |
93.9%
|
| 2 | Only specific months (seasonally) | 8 |
3%
|
| 3 | Occasionaly | 2 |
0.8%
|
| 4 | 1 |
0.4%
|
|
| Sysmiss | 3737 |