| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 1 |
0.1%
|
| 0 | Never | 539 |
42.2%
|
| 1 | Once or twice | 112 |
8.8%
|
| 2 | A few times | 68 |
5.3%
|
| 3 | Often | 55 |
4.3%
|
| 7 | No experience | 494 |
38.7%
|
| 9 | Don't know | 9 |
0.7%
|
| 998 | Refused | 0 |
0%
|