| Value | Category | Cases | |
|---|---|---|---|
| 1 | 227 | 
                                                                 
                                    
                                    23.9%
                                 
                                                             | 
                                                        
                    |
| 2 | 387 | 
                                                                 
                                    
                                    40.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 277 | 
                                                                 
                                    
                                    29.1%
                                 
                                                             | 
                                                        
                    |
| 4 | 26 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 5 | 15 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 6 | 5 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 7 | 7+ | 5 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 8 | don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | 9 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 11 | .Z | 17803 |