| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 668 |
55.7%
|
| 1 | Only sometimes | 330 |
27.5%
|
| 2 | Often | 96 |
8%
|
| 3 | Always | 74 |
6.2%
|
| 9 | Don't know | 31 |
2.6%
|
| 998 | Refused | 0 |
0%
|