| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 929 |
77.4%
|
| 1 | Yes, once | 139 |
11.6%
|
| 2 | Yes, twice | 68 |
5.7%
|
| 3 | Yes, three or more times | 64 |
5.3%
|
| 9 | Don't know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|