| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. yes | 516 |
11.5%
|
| 2 | 2. no | 1041 |
23.1%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 2941 |
65.4%
|
| Sysmiss | 40 |