| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 897 |
74.9%
|
| 1 | Just once or twice | 163 |
13.6%
|
| 2 | Several times | 80 |
6.7%
|
| 3 | Many times | 38 |
3.2%
|
| 4 | Always | 14 |
1.2%
|
| 9 | Don’t know | 6 |
0.5%
|
| 98 | Refused | 0 |
0%
|