| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1114 | 
                                    
                                    40.3%
                                 | |
| 1 | 578 | 
                                    
                                    20.9%
                                 | |
| 2 | 494 | 
                                    
                                    17.9%
                                 | |
| 3 | 292 | 
                                    
                                    10.6%
                                 | |
| 4 | 166 | 
                                    
                                    6%
                                 | |
| 5 | 55 | 
                                    
                                    2%
                                 | |
| 6 | 17 | 
                                    
                                    0.6%
                                 | |
| 7 | 48 | 
                                    
                                    1.7%
                                 | |
| Missing value | 579 |