| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 471 |
39.3%
|
| 1 | Once or twice | 138 |
11.5%
|
| 2 | A few times | 149 |
12.4%
|
| 3 | Often | 92 |
7.7%
|
| 7 | No experience | 325 |
27.2%
|
| 9 | Don't know | 22 |
1.8%
|
| 998 | Refused | 0 |
0%
|