| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1353 |
94.7%
|
| 1 | 1. it has happened but more than a year ago | 28 |
2%
|
| 2 | 2. at least once this year | 25 |
1.7%
|
| 3 | 3. monthly | 13 |
0.9%
|
| 4 | 4. weekly | 10 |
0.7%
|
| Sysmiss | 134 |