| Value | Category | Cases | |
|---|---|---|---|
| 1960 | [1960,1980) | 327 | 
                                    
                                    8.9%
                                 | 
| 1980 | [1980,1990) | 442 | 
                                    
                                    12%
                                 | 
| 1990 | [1990,2000) | 375 | 
                                    
                                    10.2%
                                 | 
| 2000 | [2000,2010) | 1409 | 
                                    
                                    38.3%
                                 | 
| 2010 | [2010,2020) | 1129 | 
                                    
                                    30.7%
                                 | 
| Sysmiss | 3282 |