| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 24 |
1.3%
|
| 2 | no | 1879 |
98.5%
|
| 8 | 2 |
0.1%
|
|
| 9 | 3 |
0.2%
|
|
| Sysmiss | 2527 |