| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 108 |
10.3%
|
| 1 | Once or twice | 216 |
20.6%
|
| 2 | A few times | 288 |
27.5%
|
| 3 | Often | 373 |
35.6%
|
| 4 | 0 |
0%
|
|
| 7 | No experience | 59 |
5.6%
|
| 9 | Don't know | 4 |
0.4%
|
| 998 | 998.000000 | 0 |
0%
|