| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3 |
0.1%
|
| 2 | no | 131 |
3.1%
|
| 9 | not applicable | 3763 |
89.8%
|
| 9999995 | missing:impute | 294 |
7%
|
| Sysmiss | 2412 |