| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 77 |
6.4%
|
| 1 | Once or twice | 135 |
11.3%
|
| 2 | A few times | 182 |
15.2%
|
| 3 | Often | 238 |
19.8%
|
| 7 | No experience | 563 |
46.9%
|
| 9 | Don't know | 5 |
0.4%
|
| 998 | Refused | 0 |
0%
|