| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 932 |
77.7%
|
| 1 | Yes, once | 143 |
11.9%
|
| 2 | Yes, twice | 54 |
4.5%
|
| 3 | Yes, three or more times | 71 |
5.9%
|
| 9 | Don't know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|