| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 615 |
25.6%
|
| 1 | Rarely | 837 |
34.9%
|
| 2 | Often | 516 |
21.5%
|
| 3 | Always | 257 |
10.7%
|
| 9 | Don't know | 173 |
7.2%
|