| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 334 |
27.8%
|
| 1 | Just once or twice | 255 |
21.3%
|
| 2 | Several times | 373 |
31.1%
|
| 3 | Many times | 172 |
14.3%
|
| 4 | Always | 66 |
5.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|