| Value | Category | Cases | |
|---|---|---|---|
| 0 | 152 | 
                                    
                                    11%
                                 | |
| 1 | 791 | 
                                    
                                    57%
                                 | |
| 2 | 306 | 
                                    
                                    22.1%
                                 | |
| 3 | 86 | 
                                    
                                    6.2%
                                 | |
| 4 | 33 | 
                                    
                                    2.4%
                                 | |
| 5 | 8 | 
                                    
                                    0.6%
                                 | |
| 6 | 5 | 
                                    
                                    0.4%
                                 | |
| 7 | 6 | 
                                    
                                    0.4%
                                 | |
| Sysmiss | 113 |