| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 292 |
24.3%
|
| 1 | Once or twice | 37 |
3.1%
|
| 2 | A few times | 28 |
2.3%
|
| 3 | Often | 38 |
3.2%
|
| 7 | Not applicable | 803 |
66.9%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 0 |
0%
|