| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 854 |
73.6%
|
| 1 | Just once or twice | 221 |
19%
|
| 2 | Several times | 74 |
6.4%
|
| 3 | Many times | 11 |
0.9%
|
| 4 | Always | 1 |
0.1%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|