| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 673 |
55.9%
|
| 1 | Rarely | 141 |
11.7%
|
| 2 | Often | 30 |
2.5%
|
| 3 | Always | 11 |
0.9%
|
| 9 | Don't know | 349 |
29%
|
| 998 | Refused | 0 |
0%
|