| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 4 |
0.3%
|
| 0 | Never | 181 |
15.1%
|
| 1 | Rarely | 246 |
20.6%
|
| 2 | Often | 135 |
11.3%
|
| 3 | Always | 510 |
42.6%
|
| 9 | Don't know | 120 |
10%
|
| 98 | Refused | 0 |
0%
|