| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 997 |
83.2%
|
| 1 | Yes, once | 127 |
10.6%
|
| 2 | Yes, twice | 47 |
3.9%
|
| 3 | Yes, three or more times | 28 |
2.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|