| Value | Category | Cases | |
|---|---|---|---|
| 0 | Nill | 130 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 1 | 1-3 | 8603 | 
                                                                 
                                    
                                    57.9%
                                 
                                                             | 
                                                        
                    
| 2 | 4-6 | 5053 | 
                                                                 
                                    
                                    34%
                                 
                                                             | 
                                                        
                    
| 3 | 7-40 | 1042 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    
| 99 | No Answer | 37 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |