| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 712 |
59.4%
|
| 1 | Just once or twice | 290 |
24.2%
|
| 2 | Several times | 125 |
10.4%
|
| 3 | Many times | 56 |
4.7%
|
| 4 | Always | 10 |
0.8%
|
| 9 | Don’t know | 5 |
0.4%
|
| 98 | Refused | 0 |
0%
|