| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 666 |
27.8%
|
| 1 | Once or twice | 402 |
16.8%
|
| 2 | A few times | 296 |
12.3%
|
| 3 | Often | 339 |
14.1%
|
| 7 | No experience | 632 |
26.3%
|
| 9 | Don't know | 65 |
2.7%
|
| 998 | Refused | 0 |
0%
|