| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2323 | 
                                    
                                    69.8%
                                 | |
| 1 | 427 | 
                                    
                                    12.8%
                                 | |
| 2 | 287 | 
                                    
                                    8.6%
                                 | |
| 3 | 157 | 
                                    
                                    4.7%
                                 | |
| 4 | 43 | 
                                    
                                    1.3%
                                 | |
| 5 | 18 | 
                                    
                                    0.5%
                                 | |
| 6 | 3 | 
                                    
                                    0.1%
                                 | |
| 7 | 71 | 
                                    
                                    2.1%
                                 | |
| Missing value | 14 |