| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-23 | 225 | 
                            
                             
                                
                                27%
                                                             
                            
                         | 
                        
                    
| 2 | 24 | 363 | 
                            
                             
                                
                                43.6%
                                                             
                            
                         | 
                        
                    
| 3 | 25-60 | 187 | 
                            
                             
                                
                                22.5%
                                                             
                            
                         | 
                        
                    
| 98 | Don't Know | 57 | 
                            
                             
                                
                                6.9%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 379 |