| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 6 |
0.5%
|
| 0 | No | 450 |
37.5%
|
| 1 | Yes, once | 363 |
30.3%
|
| 2 | Yes, twice | 215 |
17.9%
|
| 3 | Yes, three or more times | 157 |
13.1%
|
| 9 | Don't Know | 8 |
0.7%
|
| 98 | Refused | 0 |
0%
|