| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than one month | 52 | 
                                                                 
                                    
                                    19.5%
                                 
                                                             | 
                                                        
                    
| 2 | 1 to 3 months | 43 | 
                                                                 
                                    
                                    16.2%
                                 
                                                             | 
                                                        
                    
| 3 | 4 to 6 months | 25 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    
| 4 | 7 to 12 months | 32 | 
                                                                 
                                    
                                    12%
                                 
                                                             | 
                                                        
                    
| 5 | 13 to 24 months | 22 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    
| 6 | More than 2 years | 92 | 
                                                                 
                                    
                                    34.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 29877 |