| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.1%
|
| -1 | Don't know | 7 |
0.3%
|
| 1 | Often | 138 |
6.7%
|
| 2 | Sometimes | 388 |
18.8%
|
| 3 | Rarely | 538 |
26%
|
| 4 | Never | 993 |
48%
|