| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 182 |
7.6%
|
| 1 | Rarely | 562 |
23.4%
|
| 2 | Often | 974 |
40.6%
|
| 3 | Always | 564 |
23.5%
|
| 9 | Don't know | 116 |
4.8%
|