| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-5 times per month | 196 |
16.5%
|
| 2 | 6-10 times per month | 13 |
1.1%
|
| 3 | 11-20 times per month | 3 |
0.3%
|
| 4 | More than 20 times per month | 5 |
0.4%
|
| 5 | Never / do not know | 969 |
81.7%
|
| Sysmiss | 677 |