| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1152 | 
                                    
                                    85.5%
                                 | |
| 1 | 18 | 
                                    
                                    1.3%
                                 | |
| 2 | 63 | 
                                    
                                    4.7%
                                 | |
| 3 | 114 | 
                                    
                                    8.5%
                                 | |
| Sysmiss | 8128 |