| Value | Category | Cases | |
|---|---|---|---|
| 0 | 185 | 
                                    
                                    68%
                                 | |
| 1 | 4 | 
                                    
                                    1.5%
                                 | |
| 2 | 29 | 
                                    
                                    10.7%
                                 | |
| 3 | 54 | 
                                    
                                    19.9%
                                 | |
| Sysmiss | 9203 |