| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1328 |
92.9%
|
| 1 | 1. it has happened but more than a year ago | 39 |
2.7%
|
| 2 | 2. at least once this year | 33 |
2.3%
|
| 3 | 3. monthly | 17 |
1.2%
|
| 4 | 4. weekly | 12 |
0.8%
|
| Sysmiss | 134 |