| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 | 460 | 
                                    
                                    12.2%
                                 | 
| 2 | 12-23 | 701 | 
                                    
                                    18.7%
                                 | 
| 3 | 24-35 | 724 | 
                                    
                                    19.3%
                                 | 
| 4 | 36-47 | 780 | 
                                    
                                    20.8%
                                 | 
| 5 | 48-59 | 768 | 
                                    
                                    20.4%
                                 | 
| 9 | 60+ | 113 | 
                                    
                                    3%
                                 | 
| Sysmiss | 211 | 
                                    
                                    5.6%
                                 |