| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 139 |
13.3%
|
| 1 | Once or twice | 154 |
14.7%
|
| 2 | A few times | 173 |
16.5%
|
| 3 | Often | 521 |
49.7%
|
| 4 | 0 |
0%
|
|
| 7 | No experience | 58 |
5.5%
|
| 9 | Don't know | 3 |
0.3%
|
| 998 | 998.000000 | 0 |
0%
|