| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 31 |
1.7%
|
| 2 | no | 1753 |
98.3%
|
| 9 | na | 0 |
0%
|
| Sysmiss | 1216 |