| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 32 | 
                                    
                                    18.1%
                                 | 
| 0 | 12 | 
                                    
                                    6.8%
                                 | |
| 1 | 4 | 
                                    
                                    2.3%
                                 | |
| 2 | 5 | 
                                    
                                    2.8%
                                 | |
| 3 | 9 | 
                                    
                                    5.1%
                                 | |
| 4 | 12 | 
                                    
                                    6.8%
                                 | |
| 5 | 6 | 
                                    
                                    3.4%
                                 | |
| 6 | 7 | 
                                    
                                    4%
                                 | |
| 7 | 6 | 
                                    
                                    3.4%
                                 | |
| 8 | 5 | 
                                    
                                    2.8%
                                 | |
| 9 | 1 | 
                                    
                                    0.6%
                                 | |
| 10 | 8 | 
                                    
                                    4.5%
                                 | |
| 11 | 1 | 
                                    
                                    0.6%
                                 | |
| 12 | 5 | 
                                    
                                    2.8%
                                 | |
| 13 | 3 | 
                                    
                                    1.7%
                                 | |
| 14 | 3 | 
                                    
                                    1.7%
                                 | |
| 15 | 2 | 
                                    
                                    1.1%
                                 | |
| 16 | 2 | 
                                    
                                    1.1%
                                 | |
| 17 | 2 | 
                                    
                                    1.1%
                                 | |
| 19 | 1 | 
                                    
                                    0.6%
                                 | |
| 20 | 4 | 
                                    
                                    2.3%
                                 | |
| 21 | 1 | 
                                    
                                    0.6%
                                 | |
| 22 | 3 | 
                                    
                                    1.7%
                                 | |
| 23 | 2 | 
                                    
                                    1.1%
                                 | |
| 27 | 1 | 
                                    
                                    0.6%
                                 | |
| 28 | 1 | 
                                    
                                    0.6%
                                 | |
| 30 | 4 | 
                                    
                                    2.3%
                                 | |
| 32 | 1 | 
                                    
                                    0.6%
                                 | |
| 34 | 1 | 
                                    
                                    0.6%
                                 | |
| 40 | 4 | 
                                    
                                    2.3%
                                 | |
| 45 | 1 | 
                                    
                                    0.6%
                                 | |
| 46 | 1 | 
                                    
                                    0.6%
                                 | |
| 50 | 3 | 
                                    
                                    1.7%
                                 | |
| 55 | 1 | 
                                    
                                    0.6%
                                 | |
| 57 | 1 | 
                                    
                                    0.6%
                                 | |
| 63 | 1 | 
                                    
                                    0.6%
                                 | |
| 64 | 1 | 
                                    
                                    0.6%
                                 | |
| 65 | 1 | 
                                    
                                    0.6%
                                 | |
| 66 | 1 | 
                                    
                                    0.6%
                                 | |
| 67 | 1 | 
                                    
                                    0.6%
                                 | |
| 70 | 1 | 
                                    
                                    0.6%
                                 | |
| 80 | 1 | 
                                    
                                    0.6%
                                 | |
| 82 | 1 | 
                                    
                                    0.6%
                                 | |
| 85 | 1 | 
                                    
                                    0.6%
                                 | |
| 99 | 1 | 
                                    
                                    0.6%
                                 | |
| 100 | 1 | 
                                    
                                    0.6%
                                 | |
| 106 | 1 | 
                                    
                                    0.6%
                                 | |
| 116 | 1 | 
                                    
                                    0.6%
                                 | |
| 136 | 2 | 
                                    
                                    1.1%
                                 | |
| 139 | 1 | 
                                    
                                    0.6%
                                 | |
| 156 | 1 | 
                                    
                                    0.6%
                                 | |
| 191 | 1 | 
                                    
                                    0.6%
                                 | |
| 247 | 1 | 
                                    
                                    0.6%
                                 | |
| 370 | 1 | 
                                    
                                    0.6%
                                 | |
| 1010 | 1 | 
                                    
                                    0.6%
                                 | |
| 2023 | 1 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 778 |