| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    3.3%
                                 | |
| 1 | 1 | 
                                    
                                    0.8%
                                 | |
| 2 | 1 | 
                                    
                                    0.8%
                                 | |
| 5 | 2 | 
                                    
                                    1.6%
                                 | |
| 6 | 2 | 
                                    
                                    1.6%
                                 | |
| 50 | 1 | 
                                    
                                    0.8%
                                 | |
| 100 | 1 | 
                                    
                                    0.8%
                                 | |
| Missing value | 111 | 
                                    
                                    90.2%
                                 |