| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 10 |
0.4%
|
| -1 | Don't know | 12 |
0.5%
|
| 1 | Often | 51 |
2.1%
|
| 2 | Sometimes | 165 |
6.8%
|
| 3 | Rarely | 569 |
23.6%
|
| 4 | Never | 1608 |
66.6%
|