| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 2 |
0.2%
|
| 0 | Never | 411 |
34.3%
|
| 1 | Once or twice | 72 |
6%
|
| 2 | A few times | 125 |
10.4%
|
| 3 | Often | 342 |
28.5%
|
| 7 | No experience | 174 |
14.5%
|
| 9 | Don't know | 72 |
6%
|
| 998 | Refused | 0 |
0%
|