| Value | Category | Cases | |
|---|---|---|---|
| 0 | 882 | 
                                    
                                    32.4%
                                 | |
| 1 | 1697 | 
                                    
                                    62.3%
                                 | |
| 2 | 5 | 
                                    
                                    0.2%
                                 | |
| 4 | 1 | 
                                    
                                    0%
                                 | |
| 5 | 7 | 
                                    
                                    0.3%
                                 | |
| 6 | 10 | 
                                    
                                    0.4%
                                 | |
| 7 | 110 | 
                                    
                                    4%
                                 | |
| 8 | 10 | 
                                    
                                    0.4%
                                 | |
| Missing value | 621 |