| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 637 |
53.1%
|
| 1 | Only sometimes | 364 |
30.3%
|
| 2 | Often | 115 |
9.6%
|
| 3 | Always | 26 |
2.2%
|
| 9 | Don't know | 57 |
4.8%
|
| 998 | Refused | 0 |
0%
|