| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1708 | 
                                    
                                    87.9%
                                 | |
| 1 | 87 | 
                                    
                                    4.5%
                                 | |
| 2 | 149 | 
                                    
                                    7.7%
                                 | |
| Sysmiss | 23 |