| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1025 |
85.4%
|
| 1 | Only once | 61 |
5.1%
|
| 2 | A few times | 68 |
5.7%
|
| 3 | Often | 22 |
1.8%
|
| 9 | Don’t know | 24 |
2%
|
| 98 | Refused | 0 |
0%
|