| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. yes | 3732 |
85.6%
|
| 2 | 2. no | 280 |
6.4%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 349 |
8%
|
| Sysmiss | 177 |