| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. yes | 173 |
4%
|
| 2 | 2. no | 1837 |
42.1%
|
| 3 | 1890 |
43.3%
|
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. missing | 461 |
10.6%
|
| Sysmiss | 177 |