| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 13 |
0.6%
|
| 2 | no | 428 |
18.1%
|
| 9 | not applicable | 1827 |
77.3%
|
| 9999995 | missing:impute | 95 |
4%
|
| Sysmiss | 7 |