| Value | Category | Cases | |
|---|---|---|---|
| -2 | 2 |
1.3%
|
|
| -1 | 3 |
1.9%
|
|
| 0 | 5 |
3.2%
|
|
| 1 | 111 |
71.2%
|
|
| 2 | 35 |
22.4%
|
|
| Sysmiss | 1 |