| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 65 |
5.4%
|
| 1 | Once or twice | 60 |
5%
|
| 2 | A few times | 110 |
9.2%
|
| 3 | Often | 329 |
27.4%
|
| 7 | Not applicable | 636 |
53%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|