| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 235 | 
                                                                 
                                    
                                    24%
                                 
                                                             | 
                                                        
                    
| -8 | Refusal (spontaneous) | 105 | 
                                                                 
                                    
                                    10.7%
                                 
                                                             | 
                                                        
                    
| 0 | 50 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| 1 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 10 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 3 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 5 | 15 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 9 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 7 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 8 | 15 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 9 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 10 | 81 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 11 | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 12 | 35 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 13 | 29 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    |
| 14 | 12 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 15 | 67 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    |
| 16 | 11 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 17 | 30 | 
                                                                 
                                    
                                    3.1%
                                 
                                                             | 
                                                        
                    |
| 18 | 16 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 19 | 21 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 20 | 45 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    |
| 21 | 8 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 22 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 23 | 5 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 24 | 108 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    |
| 25 | 19 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 28 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 29 | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 30 | 17 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    |
| 33 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 35 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 40 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 45 | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 50 | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             |