| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1117 |
93.1%
|
| 1 | Only once | 24 |
2%
|
| 2 | A few times | 38 |
3.2%
|
| 3 | Often | 21 |
1.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 0 |
0%
|