| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20_40 | 55 | 
                                    
                                    20.5%
                                 | 
| 2 | 40_60 | 135 | 
                                    
                                    50.4%
                                 | 
| 3 | less_20 | 21 | 
                                    
                                    7.8%
                                 | 
| 4 | more_60 | 57 | 
                                    
                                    21.3%
                                 | 
| Sysmiss | 1273 |