| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. yes | 3354 |
76.9%
|
| 2 | 2. no | 975 |
22.4%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 32 |
0.7%
|
| Sysmiss | 177 |