| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 383 |
31.9%
|
| 1 | Once or twice | 120 |
10%
|
| 2 | A few times | 48 |
4%
|
| 3 | Often | 37 |
3.1%
|
| 7 | Not applicable | 611 |
50.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0.1%
|