| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 874 |
37%
|
| 1 | Just once or twice | 1007 |
42.6%
|
| 2 | Many times | 377 |
16%
|
| 3 | Always | 89 |
3.8%
|
| 9 | Don't Know | 16 |
0.7%
|
| 998 | Refused | 0 |
0%
|