| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 652 |
41.3%
|
| 1 | Just once or twice | 281 |
17.8%
|
| 2 | Several times | 269 |
17%
|
| 3 | Many times | 218 |
13.8%
|
| 4 | Always | 159 |
10.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|