| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than One month | 61 | 
                                    
                                    0.7%
                                 | 
| 2 | 1-3 months | 983 | 
                                    
                                    10.7%
                                 | 
| 3 | 3-6 Months | 1777 | 
                                    
                                    19.4%
                                 | 
| 4 | One Year | 2582 | 
                                    
                                    28.2%
                                 | 
| 5 | Two Years | 1065 | 
                                    
                                    11.6%
                                 | 
| 6 | Three years or more | 2679 | 
                                    
                                    29.3%
                                 | 
| Sysmiss | 72631 |