| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 396 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             | 
                                                        
                    
| 2 | 12-23 MONTHS AGO | 149 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 3 | 2 OR MORE YEARS AGO | 478 | 
                                                                 
                                    
                                    9.1%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONSE | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4202 | 
                                                                 
                                    
                                    80.4%
                                 
                                                             |