| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 787 |
33.3%
|
| 1 | Once or twice | 320 |
13.5%
|
| 2 | A few times | 240 |
10.2%
|
| 3 | Often | 140 |
5.9%
|
| 7 | No experience | 849 |
35.9%
|
| 9 | Don't know | 27 |
1.1%
|
| 998 | Refused | 0 |
0%
|