| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 424 |
17.7%
|
| 1 | Rarely | 871 |
36.3%
|
| 2 | Often | 561 |
23.4%
|
| 3 | Always | 264 |
11%
|
| 9 | Don't know | 278 |
11.6%
|