| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 376 |
31.3%
|
| 1 | Once or twice | 85 |
7.1%
|
| 2 | A few times | 51 |
4.3%
|
| 3 | Often | 38 |
3.2%
|
| 7 | Not applicable | 649 |
54.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0.1%
|