| Value | Category | Cases | |
|---|---|---|---|
| 1 | 8 | 
                                    
                                    28.6%
                                 | |
| 2 | 6 | 
                                    
                                    21.4%
                                 | |
| 3 | 6 | 
                                    
                                    21.4%
                                 | |
| 4 | 1 | 
                                    
                                    3.6%
                                 | |
| 5 | 3 | 
                                    
                                    10.7%
                                 | |
| 7 | 1 | 
                                    
                                    3.6%
                                 | |
| 8 | 1 | 
                                    
                                    3.6%
                                 | |
| 10 | 1 | 
                                    
                                    3.6%
                                 | |
| 15 | 1 | 
                                    
                                    3.6%
                                 | |
| Missing value | 642 |