| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 519 |
43.3%
|
| 1 | Just once or twice | 416 |
34.7%
|
| 2 | Many times | 224 |
18.7%
|
| 3 | Always | 37 |
3.1%
|
| 9 | Don't Know | 2 |
0.2%
|
| 98 | Refused | 0 |
0%
|