| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 36 | 
                                    
                                    1.1%
                                 | 
| 2 | 10 | 33 | 
                                    
                                    1%
                                 | 
| 3 | 11 | 49 | 
                                    
                                    1.5%
                                 | 
| 4 | 12 | 1103 | 
                                    
                                    34.7%
                                 | 
| 5 | 2 | 15 | 
                                    
                                    0.5%
                                 | 
| 6 | 3 | 16 | 
                                    
                                    0.5%
                                 | 
| 7 | 4 | 21 | 
                                    
                                    0.7%
                                 | 
| 8 | 5 | 28 | 
                                    
                                    0.9%
                                 | 
| 9 | 6 | 12 | 
                                    
                                    0.4%
                                 | 
| 10 | 7 | 25 | 
                                    
                                    0.8%
                                 | 
| 11 | 8 | 21 | 
                                    
                                    0.7%
                                 | 
| 12 | 9 | 24 | 
                                    
                                    0.8%
                                 | 
| Missing value | 1800 | 
                                    
                                    56.6%
                                 |