| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 642 |
53.5%
|
| 1 | Just once or twice | 334 |
27.8%
|
| 2 | Many times | 167 |
13.9%
|
| 3 | Always | 55 |
4.6%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|