| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 326 |
6.7%
|
| 1 | Yes | 4418 |
90.9%
|
| 2 | Can't remember | 117 |
2.4%
|
| 7 | Not applicable | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 34 | |
| Sysmiss | 19385 |