| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 3 |
0%
|
| 0 | Never | 7415 |
29.2%
|
| 1 | Once or twice | 2929 |
11.5%
|
| 2 | A few times | 3259 |
12.8%
|
| 3 | Often | 3176 |
12.5%
|
| 7 | No experience | 8117 |
32%
|
| 9 | Don't know | 498 |
2%
|
| 998 | Refused | 0 |
0%
|