| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 447 |
37.3%
|
| 1 | Just once or twice | 500 |
41.7%
|
| 2 | Many times | 197 |
16.4%
|
| 3 | Always | 50 |
4.2%
|
| 9 | Don't Know | 6 |
0.5%
|
| 998 | Refused | 0 |
0%
|