| Value | Category | Cases | |
|---|---|---|---|
| -9 | 4 |
0.3%
|
|
| 1 | seasonal only | 434 |
29.8%
|
| 2 | permanent only | 398 |
27.3%
|
| 3 | both | 622 |
42.7%
|
| Sysmiss | 504 |