| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 12 MONTHS AGO | 421 | 
                                    
                                    29.5%
                                 | 
| 2 | 12-23 MONTHS AGO | 288 | 
                                    
                                    20.2%
                                 | 
| 3 | 2 OR MORE YEARS AGO | 709 | 
                                    
                                    49.6%
                                 | 
| 9 | NO RESPONSE | 11 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 29631 |