| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 | 
                                    
                                    8.7%
                                 | |
| 2 | 41 | 
                                    
                                    23.7%
                                 | |
| 2 1 | 3 | 
                                    
                                    1.7%
                                 | |
| 2 3 | 4 | 
                                    
                                    2.3%
                                 | |
| 3 | 97 | 
                                    
                                    56.1%
                                 | |
| 3 1 | 1 | 
                                    
                                    0.6%
                                 | |
| 3 2 | 9 | 
                                    
                                    5.2%
                                 | |
| 4 | 3 | 
                                    
                                    1.7%
                                 |