| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1337 |
93.6%
|
| 1 | 1. it has happened but more than a year ago | 31 |
2.2%
|
| 2 | 2. at least once this year | 28 |
2%
|
| 3 | 3. monthly | 16 |
1.1%
|
| 4 | 4. weekly | 17 |
1.2%
|
| Sysmiss | 134 |