| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 571 |
47.6%
|
| 1 | Just once or twice | 322 |
26.8%
|
| 2 | Many times | 275 |
22.9%
|
| 3 | Always | 31 |
2.6%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|