| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 627 |
52.3%
|
| 1 | Just once or twice | 236 |
19.7%
|
| 2 | Several times | 143 |
11.9%
|
| 3 | Many times | 82 |
6.8%
|
| 4 | Always | 111 |
9.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|