| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 2 |
0.2%
|
| 0 | Never | 479 |
40%
|
| 1 | Once or twice | 225 |
18.8%
|
| 2 | A few times | 229 |
19.1%
|
| 3 | Often | 143 |
11.9%
|
| 7 | No experience | 115 |
9.6%
|
| 9 | Don't know | 5 |
0.4%
|
| 998 | Refused | 0 |
0%
|