| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 188 |
15.7%
|
| 1 | Once or twice | 64 |
5.3%
|
| 2 | A few times | 30 |
2.5%
|
| 3 | Often | 44 |
3.7%
|
| 7 | Not applicable | 874 |
72.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|