| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | No | 1606 |
66.9%
|
| 1 | Yes, once | 461 |
19.2%
|
| 2 | Yes, twice | 166 |
6.9%
|
| 3 | Yes, three or more times | 163 |
6.8%
|
| 9 | Don't Know | 2 |
0.1%
|
| 998 | Refused | 0 |
0%
|