| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 1 | 3 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 64 | 
                                                                 
                                    
                                    30.2%
                                 
                                                             | 
                                                        
                    |
| 3 | 62 | 
                                                                 
                                    
                                    29.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 47 | 
                                                                 
                                    
                                    22.2%
                                 
                                                             | 
                                                        
                    |
| 5 | 21 | 
                                                                 
                                    
                                    9.9%
                                 
                                                             | 
                                                        
                    |
| 6 | 6+ | 8 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    
| 7 | non-numeric response | 3 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             |