| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 935 |
78.2%
|
| 1 | Only sometimes | 163 |
13.6%
|
| 2 | Often | 31 |
2.6%
|
| 3 | Always | 12 |
1%
|
| 9 | Don't know | 55 |
4.6%
|
| 998 | Refused | 0 |
0%
|