| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 470 |
19.6%
|
| 1 | Rarely | 1034 |
43.1%
|
| 2 | Often | 484 |
20.2%
|
| 3 | Always | 227 |
9.5%
|
| 9 | Don't know | 183 |
7.6%
|