| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 | 
                                    
                                    4.1%
                                 | |
| 7 | 1 | 
                                    
                                    0.6%
                                 | |
| 8 | 14 | 
                                    
                                    8.2%
                                 | |
| 9 | 7 | 
                                    
                                    4.1%
                                 | |
| 10 | 20 | 
                                    
                                    11.8%
                                 | |
| 11 | 10 | 
                                    
                                    5.9%
                                 | |
| 12 | 10 | 
                                    
                                    5.9%
                                 | |
| 13 | 4 | 
                                    
                                    2.4%
                                 | |
| 14 | 12 | 
                                    
                                    7.1%
                                 | |
| 15 | 15 | 
                                    
                                    8.8%
                                 | |
| 16 | 8 | 
                                    
                                    4.7%
                                 | |
| 17 | 17 | 
                                    
                                    10%
                                 | |
| 18 | 15 | 
                                    
                                    8.8%
                                 | |
| 19 | 16 | 
                                    
                                    9.4%
                                 | |
| 20 | 12 | 
                                    
                                    7.1%
                                 | |
| 21 | 2 | 
                                    
                                    1.2%
                                 | |
| Sysmiss | 3031 |