| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 202 |
18%
|
| 1 | Just once or twice | 204 |
18.2%
|
| 2 | Several times | 278 |
24.8%
|
| 3 | Many times | 263 |
23.5%
|
| 4 | Always | 161 |
14.4%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 11 |
1%
|