| Value | Category | Cases | |
|---|---|---|---|
| -5 | 2 | 
                                    
                                    1.5%
                                 | |
| -4 | 7 | 
                                    
                                    5.2%
                                 | |
| -3 | 9 | 
                                    
                                    6.7%
                                 | |
| -2 | 9 | 
                                    
                                    6.7%
                                 | |
| -1 | 4 | 
                                    
                                    3%
                                 | |
| 0 | 11 | 
                                    
                                    8.2%
                                 | |
| 1 | 3 | 
                                    
                                    2.2%
                                 | |
| 2 | 8 | 
                                    
                                    6%
                                 | |
| 3 | 11 | 
                                    
                                    8.2%
                                 | |
| 4 | 25 | 
                                    
                                    18.7%
                                 | |
| 5 | 45 | 
                                    
                                    33.6%
                                 | |
| Sysmiss | 1 |