| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 
                                    
                                    0.1%
                                 | |
| 2 | 10 | 
                                    
                                    0.9%
                                 | |
| 3 | 62 | 
                                    
                                    5.6%
                                 | |
| 4 | 429 | 
                                    
                                    38.5%
                                 | |
| 5 | 613 | 
                                    
                                    55%
                                 | |
| Sysmiss | 351 |