| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 1 |
0.1%
|
| 0 | Never | 351 |
27.5%
|
| 1 | Once or twice | 178 |
13.9%
|
| 2 | A few times | 156 |
12.2%
|
| 3 | Often | 78 |
6.1%
|
| 7 | No experience | 494 |
38.7%
|
| 9 | Don't know | 20 |
1.6%
|
| 998 | Refused | 0 |
0%
|