| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 6 |
0.1%
|
| 2 | no | 46 |
1.1%
|
| 9 | not applicable | 3844 |
91.9%
|
| 9999995 | missing:impute | 286 |
6.8%
|
| Sysmiss | 51 |