| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1047 |
87%
|
| 1 | Yes, once | 82 |
6.8%
|
| 2 | Yes, twice | 37 |
3.1%
|
| 3 | Yes, three or more times | 35 |
2.9%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 1 |
0.1%
|