| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 396 |
33%
|
| 1 | Once or twice | 189 |
15.8%
|
| 2 | A few times | 266 |
22.2%
|
| 3 | Often | 298 |
24.8%
|
| 7 | No experience | 49 |
4.1%
|
| 9 | Don't know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|