| Value | Category | Cases | |
|---|---|---|---|
| 1 | 265 | 
                                    
                                    21.8%
                                 | |
| 2 | 79 | 
                                    
                                    6.5%
                                 | |
| 3 | 339 | 
                                    
                                    27.8%
                                 | |
| 4 | 535 | 
                                    
                                    43.9%
                                 | |
| Missing value | 1144 |