| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 5 |
0.4%
|
| 1 | Often | 19 |
1.5%
|
| 2 | Sometimes | 60 |
4.9%
|
| 3 | Rarely | 144 |
11.7%
|
| 4 | Never | 1002 |
81.5%
|