| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 477 |
39.8%
|
| 1 | Just once or twice | 263 |
21.9%
|
| 2 | Several times | 287 |
23.9%
|
| 3 | Many times | 142 |
11.8%
|
| 4 | Always | 30 |
2.5%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 0 |
0%
|