| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 288 | 
                                                                 
                                    
                                    44.1%
                                 
                                                             | 
                                                        
                    
| 1 | 162 | 
                                                                 
                                    
                                    24.8%
                                 
                                                             | 
                                                        
                    |
| 2 | 82 | 
                                                                 
                                    
                                    12.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 45 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    |
| 4 | 40 | 
                                                                 
                                    
                                    6.1%
                                 
                                                             | 
                                                        
                    |
| 5 | 15 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    |
| 6 | 9 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 7 | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 6 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 9 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 12 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 221 |