| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 13 | 
                                    
                                    1.1%
                                 | 
| 2 | 2 | 105 | 
                                    
                                    9.1%
                                 | 
| 3 | 3 | 826 | 
                                    
                                    71.3%
                                 | 
| 4 | mas_de_3 | 215 | 
                                    
                                    18.6%
                                 | 
| Sysmiss | 382 |