| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1939 | 
                                    
                                    93.3%
                                 | |
| 1 | 103 | 
                                    
                                    5%
                                 | |
| 2 | 15 | 
                                    
                                    0.7%
                                 | |
| 3 | 12 | 
                                    
                                    0.6%
                                 | |
| 4 | 4 | 
                                    
                                    0.2%
                                 | |
| 5 | 3 | 
                                    
                                    0.1%
                                 | |
| 6 | 2 | 
                                    
                                    0.1%
                                 |