| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 91 |
7.6%
|
| 1 | Sometimes | 252 |
21%
|
| 2 | Often | 315 |
26.3%
|
| 3 | Always | 402 |
33.5%
|
| 9 | Don't know | 139 |
11.6%
|
| 98 | Refused | 0 |
0%
|