| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 263 |
21.9%
|
| 1 | Once or twice | 43 |
3.6%
|
| 2 | A few times | 13 |
1.1%
|
| 3 | Often | 14 |
1.2%
|
| 7 | Not applicable | 867 |
72.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|