| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 490 |
20.7%
|
| 1 | Once or twice | 448 |
19%
|
| 2 | A few times | 379 |
16%
|
| 3 | Often | 184 |
7.8%
|
| 7 | No experience | 849 |
35.9%
|
| 9 | Don't know | 13 |
0.6%
|
| 998 | Refused | 0 |
0%
|