| Value | Category | Cases | |
|---|---|---|---|
| 0 | NINGUNO | 3590 | 
                                    
                                    95.6%
                                 | 
| 1 | 16 | 
                                    
                                    0.4%
                                 | |
| 2 | 2 | 
                                    
                                    0.1%
                                 | |
| 5 | 2 | 
                                    
                                    0.1%
                                 | |
| 7 | 2 | 
                                    
                                    0.1%
                                 | |
| 9 | NO RESPONDE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 144 | 
                                    
                                    3.8%
                                 |