| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 475 |
37.8%
|
| 1 | Once or twice | 26 |
2.1%
|
| 2 | A few times | 17 |
1.4%
|
| 3 | Often | 54 |
4.3%
|
| 7 | No experience | 539 |
42.9%
|
| 9 | Don't know | 145 |
11.5%
|
| 998 | Refused | 0 |
0%
|