| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 73 |
6.1%
|
| 1 | Once or twice | 167 |
13.9%
|
| 2 | A few times | 198 |
16.5%
|
| 3 | Often | 194 |
16.2%
|
| 7 | No experience | 563 |
46.9%
|
| 9 | Don't know | 5 |
0.4%
|
| 998 | Refused | 0 |
0%
|