| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1565 | 
                                    
                                    89.9%
                                 | |
| 1 | 96 | 
                                    
                                    5.5%
                                 | |
| 2 | 50 | 
                                    
                                    2.9%
                                 | |
| 3 | 22 | 
                                    
                                    1.3%
                                 | |
| 4 | 4 | 
                                    
                                    0.2%
                                 | |
| 5 | 3 | 
                                    
                                    0.2%
                                 | |
| 7 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 1365 |