| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 136 |
3.2%
|
| 2 | no | 1607 |
38.2%
|
| 9 | not applicable | 2275 |
54.1%
|
| 9999995 | missing:impute | 190 |
4.5%
|
| Sysmiss | 25 |