| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 272 |
6.4%
|
| 2 | no | 342 |
8.1%
|
| 9 | not applicable | 3455 |
81.7%
|
| 9999995 | missing:impute | 160 |
3.8%
|
| Sysmiss | 4 |