| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1621 | 
                                    
                                    87.8%
                                 | |
| 1 | 10 | 
                                    
                                    0.5%
                                 | |
| 2 | 89 | 
                                    
                                    4.8%
                                 | |
| 3 | 127 | 
                                    
                                    6.9%
                                 | |
| Sysmiss | 7628 |