| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1058 |
88.2%
|
| 1 | Just once or twice | 87 |
7.3%
|
| 2 | Several times | 36 |
3%
|
| 3 | Many times | 7 |
0.6%
|
| 4 | Always | 6 |
0.5%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 5 |
0.4%
|