| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 3 |
0.4%
|
| 1 | All months of the year | 455 |
61.7%
|
| 2 | Only specific months (seasonally) | 164 |
22.3%
|
| 3 | Occasionaly | 115 |
15.6%
|
| Sysmiss | 3263 |