| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-5 times per month | 186 |
15.7%
|
| 2 | 6-10 times per month | 19 |
1.6%
|
| 3 | 11-20 times per month | 7 |
0.6%
|
| 4 | More than 20 times per month | 7 |
0.6%
|
| 5 | Never / do not know | 967 |
81.5%
|
| Sysmiss | 677 |