| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 598 |
47.6%
|
| 1 | Once or twice | 37 |
2.9%
|
| 2 | A few times | 26 |
2.1%
|
| 3 | Often | 64 |
5.1%
|
| 7 | No experience | 367 |
29.2%
|
| 9 | Don't know | 164 |
13.1%
|
| 998 | Refused | 0 |
0%
|