| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2581 |
39.6%
|
| 2 | no | 1899 |
29.1%
|
| 9 | not applicable | 1578 |
24.2%
|
| 9999995 | missing:impute | 464 |
7.1%
|
| Sysmiss | 81 |