| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 989 |
82.4%
|
| 1 | Just once or twice | 85 |
7.1%
|
| 2 | Several times | 52 |
4.3%
|
| 3 | Many times | 36 |
3%
|
| 4 | Always | 37 |
3.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|