| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 599 |
25.3%
|
| 1 | Once or twice | 393 |
16.6%
|
| 2 | A few times | 174 |
7.4%
|
| 3 | Often | 101 |
4.3%
|
| 7 | No experience | 1074 |
45.5%
|
| 9 | Don't know | 22 |
0.9%
|
| 998 | Refused | 0 |
0%
|