| Value | Category | Cases | |
|---|---|---|---|
| -3 | 3 |
0.5%
|
|
| -2 | 13 |
2%
|
|
| -1 | 80 |
12.3%
|
|
| 0 | 433 |
66.8%
|
|
| 1 | 93 |
14.4%
|
|
| 2 | 20 |
3.1%
|
|
| 3 | 3 |
0.5%
|
|
| 4 | 3 |
0.5%
|
|
| Sysmiss | 105 |