| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 53 |
1.9%
|
| 2 | No | 2646 |
96.5%
|
| 7 | Don't know | 2 |
0.1%
|
| 9 | Don't know | 40 |
1.5%
|
| Sysmiss | 16 |