| Value | Category | Cases | |
|---|---|---|---|
| -8 | Do not know | 98 | 
                                    
                                    5%
                                 | 
| 1 | 325 | 
                                    
                                    16.5%
                                 | |
| 2 | 583 | 
                                    
                                    29.6%
                                 | |
| 3 | 220 | 
                                    
                                    11.2%
                                 | |
| 4 | 530 | 
                                    
                                    26.9%
                                 | |
| 5 | 30 | 
                                    
                                    1.5%
                                 | |
| 6 | 47 | 
                                    
                                    2.4%
                                 | |
| 7 | 30 | 
                                    
                                    1.5%
                                 | |
| 8 | 104 | 
                                    
                                    5.3%
                                 |