| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 731 |
30.7%
|
| 1 | Once or twice | 102 |
4.3%
|
| 2 | A few times | 47 |
2%
|
| 3 | Often | 33 |
1.4%
|
| 7 | Not applicable | 1459 |
61.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 6 |
0.3%
|