| Value | Category | Cases | |
|---|---|---|---|
| 0 | 902 | 
                                    
                                    46.4%
                                 | |
| 1 | 134 | 
                                    
                                    6.9%
                                 | |
| 2 | 380 | 
                                    
                                    19.5%
                                 | |
| 3 | 43 | 
                                    
                                    2.2%
                                 | |
| 4 | 485 | 
                                    
                                    24.9%
                                 | |
| Sysmiss | 23 |