| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 642 |
53.6%
|
| 1 | Just once or twice | 375 |
31.3%
|
| 2 | Many times | 143 |
11.9%
|
| 3 | Always | 36 |
3%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|