| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 2079 |
86.6%
|
| 1 | Only once | 155 |
6.5%
|
| 2 | A few times | 108 |
4.5%
|
| 3 | Often | 51 |
2.1%
|
| 8 | Refused to answer | 0 |
0%
|
| 9 | Don’t know | 7 |
0.3%
|