| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6 |
0.2%
|
| 2 | No | 2686 |
99.4%
|
| 7 | Don't know | 1 |
0%
|
| 9 | Missing | 10 |
0.4%
|
| Sysmiss | 5 |