| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 72 |
6%
|
| 1 | Once or twice | 160 |
13.3%
|
| 2 | A few times | 252 |
21%
|
| 3 | Often | 409 |
34.1%
|
| 7 | Not applicable | 306 |
25.5%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 1 |
0.1%
|