| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2213 | 
                                    
                                    66.5%
                                 | |
| 1 | 260 | 
                                    
                                    7.8%
                                 | |
| 2 | 225 | 
                                    
                                    6.8%
                                 | |
| 3 | 209 | 
                                    
                                    6.3%
                                 | |
| 4 | 150 | 
                                    
                                    4.5%
                                 | |
| 5 | 58 | 
                                    
                                    1.7%
                                 | |
| 6 | 33 | 
                                    
                                    1%
                                 | |
| 7 | 182 | 
                                    
                                    5.5%
                                 | |
| Missing value | 13 |