| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 383 |
16%
|
| 1 | Once or twice | 281 |
11.7%
|
| 2 | A few times | 520 |
21.7%
|
| 3 | Often | 936 |
39%
|
| 7 | No experience | 279 |
11.6%
|
| 9 | Don't know | 1 |
0%
|
| 998 | Refused | 0 |
0%
|