| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 860 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| 2 | 2 | 459 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 3 | 3 | 899 | 
                                                                 
                                    
                                    4.1%
                                 
                                                             | 
                                                        
                    
| 4 | 4 | 1086 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    
| 5 | 5 | 3539 | 
                                                                 
                                    
                                    16.2%
                                 
                                                             | 
                                                        
                    
| 6 | 6 | 2379 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    
| 7 | 7 | 2945 | 
                                                                 
                                    
                                    13.5%
                                 
                                                             | 
                                                        
                    
| 8 | 8 | 3673 | 
                                                                 
                                    
                                    16.8%
                                 
                                                             | 
                                                        
                    
| 9 | 9 | 2074 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    
| 10 | 10 a lot | 3929 | 
                                                                 
                                    
                                    18%
                                 
                                                             | 
                                                        
                    
| -5 | Missing; Unknown; Inappropiate | 0 | |
| -4 | Not asked | 2045 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 70 | |
| -1 | Don't know | 600 |