| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flat | 19889 | 
                                    
                                    59.9%
                                 | 
| 2 | Sloppy - Moderate | 10399 | 
                                    
                                    31.3%
                                 | 
| 3 | Sloppy - Steep | 2924 | 
                                    
                                    8.8%
                                 | 
| Sysmiss | 93 |