| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 643 |
4.2%
|
| 2 | No | 2806 |
18.2%
|
| 3 | Not applicable | 23 |
0.1%
|
| 4 | Don't know | 23 |
0.1%
|
| Sysmiss | 11885 |