| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 11 |
0.5%
|
| 0 | Never | 962 |
40.1%
|
| 1 | Rarely | 510 |
21.3%
|
| 2 | Often | 338 |
14.1%
|
| 3 | Always | 183 |
7.6%
|
| 9 | Don't know | 396 |
16.5%
|
| 98 | Refused | 0 |
0%
|