| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 739 |
61.6%
|
| 1 | Rarely | 126 |
10.5%
|
| 2 | Often | 35 |
2.9%
|
| 3 | Always | 32 |
2.7%
|
| 9 | Don't know | 265 |
22.1%
|
| 98 | Refused | 1 |
0.1%
|