| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 52 |
1.2%
|
| 2 | no | 557 |
13.2%
|
| 9 | not applicable | 3455 |
81.7%
|
| 9999995 | missing:impute | 165 |
3.9%
|
| Sysmiss | 2374 |