| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 1 |
0.1%
|
| 0 | Never | 370 |
30.8%
|
| 1 | Once or twice | 208 |
17.3%
|
| 2 | A few times | 172 |
14.3%
|
| 3 | Often | 106 |
8.8%
|
| 7 | No experience | 327 |
27.3%
|
| 9 | Dont know | 16 |
1.3%
|
| 998 | Refused | 0 |
0%
|