| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 | 
                                    
                                    1.4%
                                 | 
| 0 | 89 | 
                                    
                                    9.4%
                                 | |
| 1 | 1 | 
                                    
                                    0.1%
                                 | |
| 2 | 1 | 
                                    
                                    0.1%
                                 | |
| 3 | 1 | 
                                    
                                    0.1%
                                 | |
| 5 | 4 | 
                                    
                                    0.4%
                                 | |
| 10 | 8 | 
                                    
                                    0.8%
                                 | |
| 15 | 2 | 
                                    
                                    0.2%
                                 | |
| 20 | 17 | 
                                    
                                    1.8%
                                 | |
| 25 | 1 | 
                                    
                                    0.1%
                                 | |
| 27 | 1 | 
                                    
                                    0.1%
                                 | |
| 30 | 22 | 
                                    
                                    2.3%
                                 | |
| 35 | 1 | 
                                    
                                    0.1%
                                 | |
| 40 | 4 | 
                                    
                                    0.4%
                                 | |
| 45 | 1 | 
                                    
                                    0.1%
                                 | |
| 50 | 27 | 
                                    
                                    2.9%
                                 | |
| 60 | 12 | 
                                    
                                    1.3%
                                 | |
| 61 | 1 | 
                                    
                                    0.1%
                                 | |
| 70 | 33 | 
                                    
                                    3.5%
                                 | |
| 74 | 1 | 
                                    
                                    0.1%
                                 | |
| 75 | 6 | 
                                    
                                    0.6%
                                 | |
| 80 | 70 | 
                                    
                                    7.4%
                                 | |
| 84 | 1 | 
                                    
                                    0.1%
                                 | |
| 85 | 9 | 
                                    
                                    1%
                                 | |
| 86 | 1 | 
                                    
                                    0.1%
                                 | |
| 87 | 1 | 
                                    
                                    0.1%
                                 | |
| 90 | 126 | 
                                    
                                    13.3%
                                 | |
| 91 | 1 | 
                                    
                                    0.1%
                                 | |
| 93 | 1 | 
                                    
                                    0.1%
                                 | |
| 95 | 87 | 
                                    
                                    9.2%
                                 | |
| 96 | 3 | 
                                    
                                    0.3%
                                 | |
| 97 | 6 | 
                                    
                                    0.6%
                                 | |
| 98 | 38 | 
                                    
                                    4%
                                 | |
| 99 | 62 | 
                                    
                                    6.6%
                                 | |
| 100 | 294 | 
                                    
                                    31.1%
                                 | |
| Sysmiss | 9 |