| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 497 |
98.8%
|
| 2 | no | 4 |
0.8%
|
| 8 | 1 |
0.2%
|
|
| 9 | na | 0 |
0%
|
| 99 | 1 |
0.2%
|
|
| Sysmiss | 2497 |