| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 5 |
0%
|
| 0 | Never | 5668 |
22.3%
|
| 1 | Once or twice | 3470 |
13.7%
|
| 2 | A few times | 4860 |
19.1%
|
| 3 | Often | 6880 |
27.1%
|
| 7 | No experience | 4345 |
17.1%
|
| 9 | Don't know | 169 |
0.7%
|
| 998 | Refused | 0 |
0%
|