| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 52 |
1.1%
|
| 2 | weekly | 6 |
0.1%
|
| 3 | monthly | 150 |
3.1%
|
| 4 | every 3 months | 118 |
2.4%
|
| 5 | annualy | 771 |
16%
|
| 6 | none | 3734 |
77.3%
|
| Sysmiss | 21122 |