| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | Never | 877 |
36.5%
|
| 1 | Rarely | 352 |
14.7%
|
| 2 | Often | 165 |
6.9%
|
| 3 | Always | 147 |
6.1%
|
| 9 | Don't know | 854 |
35.6%
|
| 998 | Refused | 0 |
0%
|