| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1136 |
94.7%
|
| 1 | Only once | 40 |
3.3%
|
| 2 | A few times | 14 |
1.2%
|
| 3 | Often | 9 |
0.8%
|
| 8 | Refused to answer | 1 |
0.1%
|
| 9 | Don’t know | 0 |
0%
|