| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 17 |
0.6%
|
| 2 | No | 2732 |
99.3%
|
| 7 | Don't know | 1 |
0%
|
| 9 | Don't know | 2 |
0.1%
|
| Sysmiss | 5 |