| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 29 |
9.9%
|
| 2 | weekly | 148 |
50.5%
|
| 3 | monthly | 63 |
21.5%
|
| 4 | every 2 months | 11 |
3.8%
|
| 5 | every 6 months | 17 |
5.8%
|
| 6 | once a year | 25 |
8.5%
|
| Sysmiss | 51015 |