| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 0 | Never | 985 |
41%
|
| 1 | Once or twice | 282 |
11.8%
|
| 2 | A few times | 208 |
8.7%
|
| 3 | Often | 228 |
9.5%
|
| 7 | No experience | 632 |
26.3%
|
| 9 | Don't know | 65 |
2.7%
|
| 998 | Refused | 0 |
0%
|