| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1730 |
72.1%
|
| 1 | Yes, once | 335 |
14%
|
| 2 | Yes, twice | 166 |
6.9%
|
| 3 | Yes, three or more times | 167 |
7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 2 |
0.1%
|