| Value | Category | Cases | |
|---|---|---|---|
| 0 | NONE | 7246 | 
                                                                 
                                    
                                    49.3%
                                 
                                                             | 
                                                        
                    
| 1 | 209 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 233 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 160 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 4 | 79 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 5 | 156 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 6 | 75 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 7 | 57 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 8 | 60 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 9 | 10 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 10 | TEN OR MORE BOOKS | 212 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6193 | 
                                                                 
                                    
                                    42.2%
                                 
                                                             |