| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 37 |
2.9%
|
| 1 | Always | 650 |
50.4%
|
| 2 | Usually | 461 |
35.8%
|
| 3 | Never | 139 |
10.8%
|