| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 616 |
51.3%
|
| 1 | Just once or twice | 207 |
17.3%
|
| 2 | Several times | 218 |
18.2%
|
| 3 | Many times | 95 |
7.9%
|
| 4 | Always | 63 |
5.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|