| Value | Category | Cases | |
|---|---|---|---|
| 0 | 453 | 
                                    
                                    32.6%
                                 | |
| 1 | 741 | 
                                    
                                    53.3%
                                 | |
| 2 | 162 | 
                                    
                                    11.7%
                                 | |
| 3 | 23 | 
                                    
                                    1.7%
                                 | |
| 4 | 7 | 
                                    
                                    0.5%
                                 | |
| 5 | 3 | 
                                    
                                    0.2%
                                 | |
| Missing value | 38 |