| Value | Category | Cases | |
|---|---|---|---|
| 1 | 151 | 
                                    
                                    56.6%
                                 | |
| 2 | 40 | 
                                    
                                    15%
                                 | |
| 3 | 53 | 
                                    
                                    19.9%
                                 | |
| 8 | 23 | 
                                    
                                    8.6%
                                 | |
| Missing value | 20 |