| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 364 |
30.3%
|
| 1 | A few times | 435 |
36.3%
|
| 2 | Often | 266 |
22.2%
|
| 8 | Refused | 6 |
0.5%
|
| 9 | Don’t know | 129 |
10.8%
|