| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 51 |
4.9%
|
| 2 | no | 990 |
94.9%
|
| 7 | DO NOT KNOW | 2 |
0.2%
|
| 9 | missing | 0 |
0%
|
| Sysmiss | 861 |