| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 0 |
0%
|
| 2 | no | 15 |
0.6%
|
| 9 | not applicable | 2343 |
98.9%
|
| 9999995 | missing:impute | 10 |
0.4%
|
| Sysmiss | 2 |