| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | Yes | 401 |
72.5%
|
| 2 | No | 150 |
27.1%
|
| 9 | 1 |
0.2%
|
|
| 99 | DK/RF | 0 |
0%
|
| Sysmiss | 957 |