| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 449 |
37.4%
|
| 1 | Once or twice | 130 |
10.8%
|
| 2 | A few times | 52 |
4.3%
|
| 3 | Often | 41 |
3.4%
|
| 7 | Not applicable | 527 |
43.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0.1%
|