| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 0 |
0%
|
| 2 | weekly | 0 |
0%
|
| 3 | monthly | 4 |
50%
|
| 4 | every 2 months | 0 |
0%
|
| 5 | every 6 months | 0 |
0%
|
| 6 | once a year | 4 |
50%
|
| Sysmiss | 51300 |