| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1953- | 560 | 
                                    
                                    19%
                                 | 
| 1 | 2003- | 608 | 
                                    
                                    20.7%
                                 | 
| 2 | 2006- | 426 | 
                                    
                                    14.5%
                                 | 
| 3 | 2007- | 0 | 
                                    
                                    0%
                                 | 
| 4 | 2007- | 1350 | 
                                    
                                    45.9%
                                 | 
| 5 | 2009- | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 14240 |