| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 916 |
76.3%
|
| 1 | Just once or twice | 52 |
4.3%
|
| 2 | Several times | 67 |
5.6%
|
| 3 | Many times | 40 |
3.3%
|
| 4 | Always | 125 |
10.4%
|
| 9 | Don’t know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|