| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 186 |
7.8%
|
| 1 | Rarely | 549 |
22.9%
|
| 2 | Often | 923 |
38.5%
|
| 3 | Always | 538 |
22.4%
|
| 9 | Don't know | 202 |
8.4%
|