| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 652 |
54.3%
|
| 1 | Just once or twice | 190 |
15.8%
|
| 2 | Several times | 103 |
8.6%
|
| 3 | Many times | 63 |
5.3%
|
| 4 | Always | 186 |
15.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 6 |
0.5%
|