| Value | Category | Cases | |
|---|---|---|---|
| -999 | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 1 | 564 | 
                                                                 
                                    
                                    17.5%
                                 
                                                             | 
                                                        
                    |
| 2 | 1218 | 
                                                                 
                                    
                                    37.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 764 | 
                                                                 
                                    
                                    23.8%
                                 
                                                             | 
                                                        
                    |
| 4 | 346 | 
                                                                 
                                    
                                    10.8%
                                 
                                                             | 
                                                        
                    |
| 5 | 171 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    |
| 6 | 77 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 7 | 18 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 15 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 9 | 9 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 10 | 4 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 11 | 3 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| Missing value | 26 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             |