| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | Never | 1019 |
85.1%
|
| 1 | Sometimes | 42 |
3.5%
|
| 2 | Often | 11 |
0.9%
|
| 3 | Always | 33 |
2.8%
|
| 7 | Not applicable | 2 |
0.2%
|
| 9 | Don't know | 87 |
7.3%
|
| 998 | Refused | 0 |
0%
|