| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 505 |
42.1%
|
| 1 | Once or twice | 263 |
21.9%
|
| 2 | A few times | 268 |
22.3%
|
| 3 | Often | 111 |
9.3%
|
| 7 | No experience | 49 |
4.1%
|
| 9 | Don't know | 4 |
0.3%
|
| 998 | Refused | 0 |
0%
|