| Value | Category | Cases | |
|---|---|---|---|
| 0 | 127 | 
                                    
                                    46.7%
                                 | |
| 1 | 16 | 
                                    
                                    5.9%
                                 | |
| 2 | 73 | 
                                    
                                    26.8%
                                 | |
| 3 | 56 | 
                                    
                                    20.6%
                                 | |
| Sysmiss | 9203 |