| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 677 |
28.2%
|
| 1 | Only sometimes | 1083 |
45.1%
|
| 2 | Often | 412 |
17.2%
|
| 3 | Always | 134 |
5.6%
|
| 9 | Don't know | 92 |
3.8%
|
| 998 | Refused | 0 |
0%
|