| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 255 |
21.3%
|
| 1 | Once or twice | 231 |
19.3%
|
| 2 | A few times | 177 |
14.8%
|
| 3 | Often | 136 |
11.3%
|
| 7 | No experience | 395 |
32.9%
|
| 9 | Don't know | 6 |
0.5%
|
| 998 | Refused | 0 |
0%
|