| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 299 |
5.2%
|
| 1 | Yes | 5439 |
94.8%
|
| 2 | Can't remember | 1 |
0%
|
| 7 | Not applicable | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 66 | |
| Sysmiss | 18475 |