| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 1 |
0.1%
|
| 0 | Never | 667 |
57.5%
|
| 1 | Once or twice | 66 |
5.7%
|
| 2 | A few times | 40 |
3.4%
|
| 3 | Often | 13 |
1.1%
|
| 7 | No experience | 352 |
30.3%
|
| 9 | Don't know | 22 |
1.9%
|
| 998 | Refused | 0 |
0%
|