| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 | 
                                    
                                    0.6%
                                 | |
| 1 | 123 | 
                                    
                                    3.1%
                                 | |
| 2 | 100 | 
                                    
                                    2.6%
                                 | |
| 3 | 3675 | 
                                    
                                    93.7%
                                 | |
| Sysmiss | 5 |