| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 527 |
12.6%
|
| 2 | no | 3236 |
77.3%
|
| 9 | not applicable | 204 |
4.9%
|
| 9999995 | missing:impute | 219 |
5.2%
|
| Sysmiss | 47 |