| Value | Category | Cases | |
|---|---|---|---|
| 1 | 24 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 47 | 
                                                                 
                                    
                                    15.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 58 | 
                                                                 
                                    
                                    19.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 59 | 
                                                                 
                                    
                                    20%
                                 
                                                             | 
                                                        
                    |
| 5 | 35 | 
                                                                 
                                    
                                    11.9%
                                 
                                                             | 
                                                        
                    |
| 6 | 27 | 
                                                                 
                                    
                                    9.2%
                                 
                                                             | 
                                                        
                    |
| 7 | 7+ | 33 | 
                                                                 
                                    
                                    11.2%
                                 
                                                             | 
                                                        
                    
| 8 | don't know | 5 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    
| 9 | 7 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 11 | .Z | 18459 |