| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 11 |
0.6%
|
| 1 | Often | 30 |
1.7%
|
| 2 | Sometimes | 134 |
7.4%
|
| 3 | Rarely | 261 |
14.4%
|
| 4 | Never | 1372 |
75.8%
|