| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 375 |
15.9%
|
| 1 | Once or twice | 277 |
11.7%
|
| 2 | A few times | 268 |
11.3%
|
| 3 | Often | 340 |
14.4%
|
| 7 | No experience | 1076 |
45.5%
|
| 9 | Don't know | 27 |
1.1%
|
| 998 | Refused | 0 |
0%
|