| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 18 |
0.3%
|
| 2 | no | 2477 |
37.7%
|
| 9 | not applicable | 3838 |
58.5%
|
| 9999995 | missing:impute | 231 |
3.5%
|
| Sysmiss | 39 |