| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 893 |
37.2%
|
| 1 | Just once or twice | 834 |
34.8%
|
| 2 | Many times | 498 |
20.8%
|
| 3 | Always | 173 |
7.2%
|
| 9 | Don't Know | 2 |
0.1%
|
| 998 | Refused | 0 |
0%
|