| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 27 |
0.4%
|
| 2 | no | 17 |
0.3%
|
| 9 | not applicable | 6109 |
93.7%
|
| 9999995 | missing:impute | 370 |
5.7%
|
| Sysmiss | 80 |