| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Often | 35 |
2.9%
|
| 2 | Sometimes | 122 |
10.2%
|
| 3 | Rarely | 228 |
19%
|
| 4 | Never | 814 |
67.8%
|