| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 6045 |
81.3%
|
| 2 | no | 1350 |
18.2%
|
| 5 | refuse | 40 |
0.5%
|
| 9 | missing | 1 |
0%
|
| Sysmiss | 43872 |