| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 
                                    
                                    9.1%
                                 | |
| 3 | 2 | 
                                    
                                    18.2%
                                 | |
| 10 | 1 | 
                                    
                                    9.1%
                                 | |
| 15 | 1 | 
                                    
                                    9.1%
                                 | |
| 20 | 1 | 
                                    
                                    9.1%
                                 | |
| 99 | Ignorado | 5 | 
                                    
                                    45.5%
                                 | 
| Sysmiss | 35085 |