| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 404 |
31.6%
|
| 1 | Once or twice | 243 |
19%
|
| 2 | A few times | 254 |
19.9%
|
| 3 | Often | 175 |
13.7%
|
| 7 | No experience | 189 |
14.8%
|
| 9 | Don't know | 13 |
1%
|
| 998 | Refused | 0 |
0%
|