| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 379 |
31.6%
|
| 1 | Once or twice | 35 |
2.9%
|
| 2 | A few times | 30 |
2.5%
|
| 3 | Often | 35 |
2.9%
|
| 7 | Not applicable | 720 |
60%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't know | 0 |
0%
|