| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 | 
                                    
                                    13.8%
                                 | |
| 1 | 17 | 
                                    
                                    15.6%
                                 | |
| 2 | 13 | 
                                    
                                    11.9%
                                 | |
| 3 | 30 | 
                                    
                                    27.5%
                                 | |
| 4 | 9 | 
                                    
                                    8.3%
                                 | |
| 5 | 10 | 
                                    
                                    9.2%
                                 | |
| 6 | 5 | 
                                    
                                    4.6%
                                 | |
| 7 | 3 | 
                                    
                                    2.8%
                                 | |
| 8 | 2 | 
                                    
                                    1.8%
                                 | |
| 10 | 2 | 
                                    
                                    1.8%
                                 | |
| 11 | 1 | 
                                    
                                    0.9%
                                 | |
| 17 | 1 | 
                                    
                                    0.9%
                                 | |
| 20 | 1 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 1842 |