| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 42 |
1.7%
|
| 2 | No | 526 |
21.9%
|
| 3 | Not applicable | 1648 |
68.5%
|
| 4 | Uncertain/Don't know | 189 |
7.9%
|
| Sysmiss | 14 |