| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 596 |
25.2%
|
| 1 | Once or twice | 513 |
21.7%
|
| 2 | A few times | 264 |
11.2%
|
| 3 | Often | 133 |
5.6%
|
| 7 | No experience | 847 |
35.8%
|
| 9 | Don't know | 10 |
0.4%
|
| 998 | Refused | 0 |
0%
|