| Value | Category | Cases | |
|---|---|---|---|
| 0 | 961 | 
                                    
                                    34.8%
                                 | |
| 1 | 385 | 
                                    
                                    13.9%
                                 | |
| 2 | 449 | 
                                    
                                    16.2%
                                 | |
| 3 | 350 | 
                                    
                                    12.7%
                                 | |
| 4 | 160 | 
                                    
                                    5.8%
                                 | |
| 5 | 89 | 
                                    
                                    3.2%
                                 | |
| 6 | 68 | 
                                    
                                    2.5%
                                 | |
| 7 | 302 | 
                                    
                                    10.9%
                                 | |
| Missing value | 579 |