| Value | Category | Cases | |
|---|---|---|---|
| 0 | 337 | 
                                                                 
                                    
                                    46.2%
                                 
                                                             | 
                                                        
                    |
| 1 | 328 | 
                                                                 
                                    
                                    45%
                                 
                                                             | 
                                                        
                    |
| 2 | 55 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    |
| 3 | 4 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 88 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 99 | 4 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 160 |