| Value | Category | Cases | |
|---|---|---|---|
| 0 | 46 | 
                                                                 
                                    
                                    9.1%
                                 
                                                             | 
                                                        
                    |
| 1 | 170 | 
                                                                 
                                    
                                    33.6%
                                 
                                                             | 
                                                        
                    |
| 2 | 104 | 
                                                                 
                                    
                                    20.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 86 | 
                                                                 
                                    
                                    17%
                                 
                                                             | 
                                                        
                    |
| 4 | 24 | 
                                                                 
                                    
                                    4.7%
                                 
                                                             | 
                                                        
                    |
| 5 | 12 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 6 | 16 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 7 | 4 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 8 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 9 | 3 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 10 | 4 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 11 | 2 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 12 | 20 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| Missing value | 14 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             |