| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. yes | 3269 |
75%
|
| 2 | 2. no | 1015 |
23.3%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 77 |
1.8%
|
| Sysmiss | 177 |