| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | Never | 503 |
42%
|
| 1 | Sometimes | 348 |
29%
|
| 2 | Always | 261 |
21.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 83 |
6.9%
|