| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 120 |
10%
|
| 1 | Sometimes | 391 |
32.6%
|
| 2 | Often | 321 |
26.8%
|
| 3 | Always | 176 |
14.7%
|
| 9 | Don't know | 192 |
16%
|
| 98 | Refused | 0 |
0%
|