| Value | Category | Cases | |
|---|---|---|---|
| -1 | 7 |
0.2%
|
|
| 0 | 2495 |
55.3%
|
|
| 1 | 1999 |
44.3%
|
|
| 3 | 8 |
0.2%
|
|
| Sysmiss | 6207 |