| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1595 | 
                                    
                                    24.3%
                                 | |
| 1 | 1087 | 
                                    
                                    16.6%
                                 | |
| 2 | 374 | 
                                    
                                    5.7%
                                 | |
| 3 | 92 | 
                                    
                                    1.4%
                                 | |
| 4 | 8 | 
                                    
                                    0.1%
                                 | |
| 5 | 2 | 
                                    
                                    0%
                                 | |
| 6 | 4 | 
                                    
                                    0.1%
                                 | |
| 7 | 1 | 
                                    
                                    0%
                                 | |
| 8 | 2 | 
                                    
                                    0%
                                 | |
| Missing value | 3396 | 
                                    
                                    51.8%
                                 |