| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | Never | 351 |
29.3%
|
| 1 | Rarely | 352 |
29.4%
|
| 2 | Often | 116 |
9.7%
|
| 3 | Always | 135 |
11.3%
|
| 9 | Don't know | 239 |
20%
|
| 98 | Refused | 0 |
0%
|