| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 0 |
0%
|
| 2 | no | 144 |
3.4%
|
| 9 | not applicable | 3820 |
91.3%
|
| 9999995 | missing:impute | 221 |
5.3%
|
| Sysmiss | 2418 |