| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1081 |
90.2%
|
| 1 | Only once | 30 |
2.5%
|
| 2 | A few times | 40 |
3.3%
|
| 3 | Often | 45 |
3.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 3 |
0.3%
|