| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 719 |
60%
|
| 1 | Just once or twice | 346 |
28.9%
|
| 2 | Several times | 112 |
9.3%
|
| 3 | Many times | 18 |
1.5%
|
| 4 | Always | 3 |
0.3%
|
| 9 | Don't Know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|