| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 585 |
48.8%
|
| 1 | Just once or twice | 108 |
9%
|
| 2 | Several times | 177 |
14.8%
|
| 3 | Many times | 83 |
6.9%
|
| 4 | Always | 242 |
20.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 4 |
0.3%
|