| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 133 |
11.1%
|
| 1 | Once or twice | 107 |
8.9%
|
| 2 | A few times | 148 |
12.3%
|
| 3 | Often | 237 |
19.8%
|
| 7 | No experience | 563 |
46.9%
|
| 9 | Don't know | 12 |
1%
|
| 998 | Refused | 0 |
0%
|