| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1025 |
85.4%
|
| 1 | Only once | 65 |
5.4%
|
| 2 | A few times | 51 |
4.3%
|
| 3 | Often | 16 |
1.3%
|
| 9 | Don’t know | 43 |
3.6%
|
| 98 | Refused | 0 |
0%
|