| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 256 |
6.1%
|
| 2 | no | 1495 |
35.5%
|
| 9 | not applicable | 2275 |
54.1%
|
| 9999995 | missing:impute | 182 |
4.3%
|
| Sysmiss | 25 |