| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | Never | 1429 |
59.5%
|
| 1 | Just once or twice | 598 |
24.9%
|
| 2 | Many times | 267 |
11.1%
|
| 3 | Always | 70 |
2.9%
|
| 9 | Don't Know | 31 |
1.3%
|
| 98 | Refused | 0 |
0%
|