| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6518 | 
                                    
                                    93.9%
                                 | |
| 1 | 330 | 
                                    
                                    4.8%
                                 | |
| 2 | 37 | 
                                    
                                    0.5%
                                 | |
| 3 | 31 | 
                                    
                                    0.4%
                                 | |
| 4 | 6 | 
                                    
                                    0.1%
                                 | |
| 5 | 18 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 24 |