| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1442 |
60.1%
|
| 1 | Just once or twice | 372 |
15.5%
|
| 2 | Several times | 404 |
16.8%
|
| 3 | Many times | 162 |
6.8%
|
| 4 | Always | 18 |
0.8%
|
| 9 | Don't Know | 2 |
0.1%
|
| 998 | Refused | 0 |
0%
|