| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 4 |
0%
|
| 1 | yes | 4917 |
8.8%
|
| 2 | no | 50878 |
91.1%
|
| 9 | Invalid | 31 |
0.1%
|
| Sysmiss | 2537 |