| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 7 |
0.2%
|
| 2 | no | 653 |
15.4%
|
| 9 | not applicable | 3522 |
83.3%
|
| 9999995 | missing:impute | 46 |
1.1%
|
| Sysmiss | 2375 |