| Value | Category | Cases | |
|---|---|---|---|
| 1 | One time | 27 |
60%
|
| 2 | Two times | 8 |
17.8%
|
| 3 | Three or more times | 9 |
20%
|
| 8 | Dk / don?t remember | 1 |
2.2%
|
| 9 | No response | 0 |
0%
|
| Sysmiss | 3980 |