| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1635 |
68.1%
|
| 1 | Just once or twice | 343 |
14.3%
|
| 2 | Several times | 202 |
8.4%
|
| 3 | Many times | 149 |
6.2%
|
| 4 | Always | 71 |
3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|