| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 6 |
0.3%
|
| 0 | Never | 506 |
21.1%
|
| 1 | Rarely | 461 |
19.2%
|
| 2 | Often | 368 |
15.3%
|
| 3 | Always | 290 |
12.1%
|
| 9 | Don't know | 769 |
32%
|
| 998 | Refused | 0 |
0%
|