| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 746 |
62%
|
| 1 | Yes, once | 155 |
12.9%
|
| 2 | Yes, twice | 122 |
10.1%
|
| 3 | Yes, three or more times | 179 |
14.9%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 0 |
0%
|