| Value | Category | Cases | |
|---|---|---|---|
| -2 | 4035 |
48.6%
|
|
| -1 | 370 |
4.5%
|
|
| 0 | 17 |
0.2%
|
|
| 1 | 3007 |
36.3%
|
|
| 2 | 541 |
6.5%
|
|
| 3 | 177 |
2.1%
|
|
| 4 | 90 |
1.1%
|
|
| 5 | 20 |
0.2%
|
|
| 6 | 22 |
0.3%
|
|
| 7 | 16 |
0.2%
|
|
| Sysmiss | 515 |