| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 407 |
9.6%
|
| 2 | no | 207 |
4.9%
|
| 9 | not applicable | 3455 |
81.7%
|
| 9999995 | missing:impute | 160 |
3.8%
|
| Sysmiss | 2374 |