| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1735 | 
                                    
                                    88.7%
                                 | |
| 1 | 161 | 
                                    
                                    8.2%
                                 | |
| 2 | 41 | 
                                    
                                    2.1%
                                 | |
| 3 | 20 | 
                                    
                                    1%
                                 | |
| Sysmiss | 10 |