| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 2 |
0%
|
| 1 | yes | 1196 |
2.1%
|
| 2 | no | 47414 |
81.3%
|
| 9 | Invalid | 9676 |
16.6%
|
| Sysmiss | 79 |