| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3 |
0.1%
|
| 2 | no | 58 |
2.5%
|
| 9 | not applicable | 2197 |
93.8%
|
| 9999995 | missing:impute | 83 |
3.5%
|
| Sysmiss | 29 |