| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 908 |
75.7%
|
| 1 | Just once or twice | 135 |
11.3%
|
| 2 | Several times | 82 |
6.8%
|
| 3 | Many times | 48 |
4%
|
| 4 | Always | 21 |
1.8%
|
| 9 | Don’t know | 6 |
0.5%
|
| 98 | Refused | 0 |
0%
|