| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1090 |
90.8%
|
| 1 | Only once | 47 |
3.9%
|
| 2 | A few times | 41 |
3.4%
|
| 3 | Often | 10 |
0.8%
|
| 8 | Refused to answer | 0 |
0%
|
| 9 | Don’t know | 12 |
1%
|