| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1098 |
91.5%
|
| 1 | Only once | 55 |
4.6%
|
| 2 | A few times | 23 |
1.9%
|
| 3 | Often | 0 |
0%
|
| 8 | Refused to answer | 2 |
0.2%
|
| 9 | Don’t know | 22 |
1.8%
|