| Value | Category | Cases | |
|---|---|---|---|
| -1 | 87 |
2%
|
|
| 0 | 2415 |
54.2%
|
|
| 1 | 1902 |
42.7%
|
|
| 2 | 36 |
0.8%
|
|
| 3 | 12 |
0.3%
|
|
| Sysmiss | 6264 |