| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1032 |
43%
|
| 1 | Just once or twice | 584 |
24.3%
|
| 2 | Several times | 462 |
19.3%
|
| 3 | Many times | 236 |
9.8%
|
| 4 | Always | 74 |
3.1%
|
| 9 | Don't Know | 12 |
0.5%
|
| 98 | Refused | 0 |
0%
|