| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 366 |
30.5%
|
| 1 | Once or twice | 137 |
11.4%
|
| 2 | A few times | 70 |
5.8%
|
| 3 | Often | 58 |
4.8%
|
| 7 | No experience | 563 |
46.9%
|
| 9 | Don't know | 6 |
0.5%
|
| 998 | Refused | 0 |
0%
|