| Value | Category | Cases | |
|---|---|---|---|
| 0 | 74 | 
                                    
                                    27.2%
                                 | |
| 1 | 179 | 
                                    
                                    65.8%
                                 | |
| 2 | 10 | 
                                    
                                    3.7%
                                 | |
| 3 | 9 | 
                                    
                                    3.3%
                                 | |
| Sysmiss | 9203 |