| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 6 |
0.5%
|
| 1 | Often | 19 |
1.6%
|
| 2 | Sometimes | 123 |
10.3%
|
| 3 | Rarely | 236 |
19.7%
|
| 4 | Never | 816 |
68%
|