| Value | Category | Cases | |
|---|---|---|---|
| 00 | 00 | 796 | 
                                    
                                    79.8%
                                 | 
| 01 | 01 | 105 | 
                                    
                                    10.5%
                                 | 
| 02 | 02 | 79 | 
                                    
                                    7.9%
                                 | 
| 03 | 03 | 13 | 
                                    
                                    1.3%
                                 | 
| 04 | 04 | 5 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 2 |