| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 410 |
17.4%
|
| 1 | Once or twice | 359 |
15.2%
|
| 2 | A few times | 287 |
12.1%
|
| 3 | Often | 197 |
8.3%
|
| 7 | No experience | 1076 |
45.5%
|
| 9 | Don't know | 34 |
1.4%
|
| 998 | Refused | 0 |
0%
|