| Value | Category | Cases | |
|---|---|---|---|
| 0 | 124 | 
                                    
                                    45.6%
                                 | |
| 1 | 35 | 
                                    
                                    12.9%
                                 | |
| 2 | 85 | 
                                    
                                    31.3%
                                 | |
| 3 | 28 | 
                                    
                                    10.3%
                                 | |
| Sysmiss | 9203 |