| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 336 |
32.1%
|
| 1 | Once or twice | 131 |
12.5%
|
| 2 | A few times | 164 |
15.6%
|
| 3 | Often | 143 |
13.6%
|
| 7 | No experience | 254 |
24.2%
|
| 9 | Don't know | 20 |
1.9%
|