| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 34 |
1.2%
|
| 2 | no | 2806 |
98.6%
|
| 9 | 6 |
0.2%
|
|
| Sysmiss | 154 |