| Value | Category | Cases | |
|---|---|---|---|
| -4 | 2 |
0.3%
|
|
| -3 | 3 |
0.5%
|
|
| -2 | 15 |
2.3%
|
|
| -1 | 58 |
9%
|
|
| 0 | 416 |
64.2%
|
|
| 1 | 125 |
19.3%
|
|
| 2 | 17 |
2.6%
|
|
| 3 | 10 |
1.5%
|
|
| 4 | 2 |
0.3%
|
|
| Sysmiss | 105 |