| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 113 |
9.4%
|
| 1 | Once or twice | 226 |
18.8%
|
| 2 | A few times | 146 |
12.2%
|
| 3 | Often | 151 |
12.6%
|
| 7 | No experience | 563 |
46.9%
|
| 9 | Don't know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|