| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1022 |
85.2%
|
| 1 | Only sometimes | 143 |
11.9%
|
| 2 | Often | 24 |
2%
|
| 3 | Always | 5 |
0.4%
|
| 9 | Don't know | 6 |
0.5%
|
| 998 | Refused | 0 |
0%
|