| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 508 |
12.1%
|
| 2 | no | 3360 |
80.2%
|
| 9 | not applicable | 147 |
3.5%
|
| 9999995 | missing:impute | 173 |
4.1%
|
| Sysmiss | 45 |