| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 567 |
47.3%
|
| 1 | Just once or twice | 205 |
17.1%
|
| 2 | Several times | 278 |
23.2%
|
| 3 | Many times | 109 |
9.1%
|
| 4 | Always | 37 |
3.1%
|
| 9 | Don't Know | 4 |
0.3%
|
| 998 | Refused | 0 |
0%
|