| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 288 |
12%
|
| 1 | Rarely | 848 |
35.3%
|
| 2 | Often | 691 |
28.8%
|
| 3 | Always | 351 |
14.6%
|
| 9 | Don't know | 220 |
9.2%
|