| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 758 |
63.2%
|
| 1 | Yes, once | 175 |
14.6%
|
| 2 | Yes, twice | 99 |
8.3%
|
| 3 | Yes, three or more times | 166 |
13.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 2 |
0.2%
|