| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 630 |
52.5%
|
| 1 | Just once or twice | 320 |
26.7%
|
| 2 | Many times | 186 |
15.5%
|
| 3 | Always | 59 |
4.9%
|
| 9 | Don't Know | 5 |
0.4%
|
| 998 | Refused | 0 |
0%
|