| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 286 |
23.8%
|
| 1 | Just once or twice | 380 |
31.7%
|
| 2 | Several times | 287 |
23.9%
|
| 3 | Many times | 193 |
16.1%
|
| 4 | Always | 54 |
4.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|