| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 970 |
80.8%
|
| 1 | Yes, once | 125 |
10.4%
|
| 2 | Yes, twice | 81 |
6.8%
|
| 3 | Yes, three or more times | 23 |
1.9%
|
| 9 | Don't know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|