| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 25 |
2.1%
|
| 1 | Once or twice | 187 |
15.6%
|
| 2 | A few times | 187 |
15.6%
|
| 3 | Often | 90 |
7.5%
|
| 7 | Not applicable | 709 |
59.1%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 2 |
0.2%
|