| Value | Category | Cases | |
|---|---|---|---|
| -99 | 4774 |
98.4%
|
|
| 1 | month | 51 |
1.1%
|
| 2 | 15 days | 4 |
0.1%
|
| 3 | weekly | 5 |
0.1%
|
| 4 | daily | 18 |
0.4%
|
| Sysmiss | 3258 |