| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 989 |
83.7%
|
| 1 | Yes, once | 113 |
9.6%
|
| 2 | Yes, twice | 48 |
4.1%
|
| 3 | Yes, three or more times | 30 |
2.5%
|
| 9 | Don't know | 2 |
0.2%
|
| 98 | Refused | 0 |
0%
|