| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 32 |
0.5%
|
| 2 | no | 182 |
2.8%
|
| 9 | not applicable | 6017 |
92.2%
|
| 9999995 | missing:impute | 295 |
4.5%
|
| Sysmiss | 77 |