| Value | Category | Cases | |
|---|---|---|---|
| 0 | 117 | 
                                    
                                    6%
                                 | |
| 1 | 1570 | 
                                    
                                    80.1%
                                 | |
| 2 | 11 | 
                                    
                                    0.6%
                                 | |
| 3 | 200 | 
                                    
                                    10.2%
                                 | |
| 4 | 2 | 
                                    
                                    0.1%
                                 | |
| 5 | 14 | 
                                    
                                    0.7%
                                 | |
| 6 | 2 | 
                                    
                                    0.1%
                                 | |
| 7 | 43 | 
                                    
                                    2.2%
                                 | |
| 9 | 1 | 
                                    
                                    0.1%
                                 | |
| Missing value | 1383 |