| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 15 |
7.9%
|
| 2 | weekly | 31 |
16.2%
|
| 3 | monthly | 48 |
25.1%
|
| 4 | every 2 months | 11 |
5.8%
|
| 5 | every 6 months | 19 |
9.9%
|
| 6 | once a year | 67 |
35.1%
|
| Sysmiss | 51117 |