| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 1090 |
90.8%
|
| 1 | Once or twice | 19 |
1.6%
|
| 2 | A few times | 27 |
2.3%
|
| 3 | Often | 6 |
0.5%
|
| 7 | No experience | 49 |
4.1%
|
| 9 | Don't know | 9 |
0.8%
|
| 998 | Refused | 0 |
0%
|