| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 6 |
0%
|
| 0 | Never | 8203 |
32.3%
|
| 1 | Once or twice | 2500 |
9.8%
|
| 2 | A few times | 3055 |
12%
|
| 3 | Often | 2585 |
10.2%
|
| 7 | No experience | 8116 |
32%
|
| 9 | Don't know | 932 |
3.7%
|
| 998 | Refused | 0 |
0%
|