| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 545 | 
                                    
                                    20.2%
                                 | 
| -8 | Refusal (spontaneous) | 36 | 
                                    
                                    1.3%
                                 | 
| 0 | 88 | 
                                    
                                    3.3%
                                 | |
| 1 | 17 | 
                                    
                                    0.6%
                                 | |
| 2 | 23 | 
                                    
                                    0.9%
                                 | |
| 3 | 22 | 
                                    
                                    0.8%
                                 | |
| 4 | 13 | 
                                    
                                    0.5%
                                 | |
| 5 | 37 | 
                                    
                                    1.4%
                                 | |
| 6 | 31 | 
                                    
                                    1.1%
                                 | |
| 7 | 27 | 
                                    
                                    1%
                                 | |
| 8 | 48 | 
                                    
                                    1.8%
                                 | |
| 9 | 29 | 
                                    
                                    1.1%
                                 | |
| 10 | 74 | 
                                    
                                    2.7%
                                 | |
| 11 | 22 | 
                                    
                                    0.8%
                                 | |
| 12 | 50 | 
                                    
                                    1.9%
                                 | |
| 13 | 38 | 
                                    
                                    1.4%
                                 | |
| 14 | 28 | 
                                    
                                    1%
                                 | |
| 15 | 115 | 
                                    
                                    4.3%
                                 | |
| 16 | 8 | 
                                    
                                    0.3%
                                 | |
| 17 | 36 | 
                                    
                                    1.3%
                                 | |
| 18 | 63 | 
                                    
                                    2.3%
                                 | |
| 19 | 26 | 
                                    
                                    1%
                                 | |
| 20 | 279 | 
                                    
                                    10.3%
                                 | |
| 21 | 140 | 
                                    
                                    5.2%
                                 | |
| 22 | 93 | 
                                    
                                    3.4%
                                 | |
| 23 | 79 | 
                                    
                                    2.9%
                                 | |
| 24 | 101 | 
                                    
                                    3.7%
                                 | |
| 25 | 285 | 
                                    
                                    10.6%
                                 | |
| 26 | 29 | 
                                    
                                    1.1%
                                 | |
| 27 | 44 | 
                                    
                                    1.6%
                                 | |
| 28 | 34 | 
                                    
                                    1.3%
                                 | |
| 29 | 4 | 
                                    
                                    0.1%
                                 | |
| 30 | 84 | 
                                    
                                    3.1%
                                 | |
| 31 | 16 | 
                                    
                                    0.6%
                                 | |
| 32 | 13 | 
                                    
                                    0.5%
                                 | |
| 33 | 12 | 
                                    
                                    0.4%
                                 | |
| 34 | 2 | 
                                    
                                    0.1%
                                 | |
| 35 | 46 | 
                                    
                                    1.7%
                                 | |
| 36 | 3 | 
                                    
                                    0.1%
                                 | |
| 37 | 5 | 
                                    
                                    0.2%
                                 | |
| 38 | 6 | 
                                    
                                    0.2%
                                 | |
| 40 | 28 | 
                                    
                                    1%
                                 | |
| 42 | 3 | 
                                    
                                    0.1%
                                 | |
| 43 | 2 | 
                                    
                                    0.1%
                                 | |
| 44 | 1 | 
                                    
                                    0%
                                 | |
| 45 | 5 | 
                                    
                                    0.2%
                                 | |
| 46 | 1 | 
                                    
                                    0%
                                 | |
| 48 | 2 | 
                                    
                                    0.1%
                                 | |
| 50 | 4 | 
                                    
                                    0.1%
                                 |