| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 7 |
0.1%
|
| 2 | no | 11 |
0.2%
|
| 9 | not applicable | 6345 |
96.7%
|
| 9999995 | missing:impute | 201 |
3.1%
|
| Sysmiss | 39 |