| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 607 |
50.6%
|
| 1 | Just once or twice | 241 |
20.1%
|
| 2 | Several times | 194 |
16.2%
|
| 3 | Many times | 110 |
9.2%
|
| 4 | Always | 41 |
3.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 7 |
0.6%
|