| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 874 |
73.4%
|
| 1 | Yes, once | 114 |
9.6%
|
| 2 | Yes, twice | 105 |
8.8%
|
| 3 | Yes, three or more times | 97 |
8.1%
|
| 9 | Don't know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|