| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 546 |
34.6%
|
| 1 | Just once or twice | 327 |
20.7%
|
| 2 | Several times | 291 |
18.4%
|
| 3 | Many times | 266 |
16.8%
|
| 4 | Always | 141 |
8.9%
|
| 8 | Refused | 4 |
0.3%
|
| 9 | Don't Know | 5 |
0.3%
|