| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | Yes | 498 |
88.1%
|
| 2 | No | 65 |
11.5%
|
| 9 | 1 |
0.2%
|
|
| Sysmiss | 1849 |