| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 1108 |
46.2%
|
| 1 | Once or twice | 215 |
9%
|
| 2 | A few times | 189 |
7.9%
|
| 3 | Often | 185 |
7.7%
|
| 7 | No experience | 679 |
28.3%
|
| 9 | Don't know | 24 |
1%
|
| 998 | Refused | 0 |
0%
|