| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 9 |
0.4%
|
| 2 | no | 7 |
0.3%
|
| 9 | not applicable | 2241 |
95.7%
|
| 9999995 | missing:impute | 84 |
3.6%
|
| Sysmiss | 29 |