| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    1.3%
                                 | |
| 1 | 4 | 
                                    
                                    5%
                                 | |
| 2 | 1 | 
                                    
                                    1.3%
                                 | |
| 3 | 20 | 
                                    
                                    25%
                                 | |
| 4 | 26 | 
                                    
                                    32.5%
                                 | |
| 5 | 13 | 
                                    
                                    16.3%
                                 | |
| 6 | 7 | 
                                    
                                    8.8%
                                 | |
| 7 | 3 | 
                                    
                                    3.8%
                                 | |
| 8 | 3 | 
                                    
                                    3.8%
                                 | |
| 9 | 1 | 
                                    
                                    1.3%
                                 | |
| 11 | 1 | 
                                    
                                    1.3%
                                 | |
| Sysmiss | 1871 |