| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 1 |
0.1%
|
| 0 | Never | 359 |
30%
|
| 1 | Once or twice | 101 |
8.4%
|
| 2 | A few times | 143 |
11.9%
|
| 3 | Often | 345 |
28.8%
|
| 7 | No experience | 174 |
14.5%
|
| 9 | Don't know | 75 |
6.3%
|
| 998 | Refused | 0 |
0%
|