| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Flat | 6958 | 
                                                                 
                                    
                                    76.7%
                                 
                                                             | 
                                                        
                    
| 2 | 2. Slight Slope | 1640 | 
                                                                 
                                    
                                    18.1%
                                 
                                                             | 
                                                        
                    
| 3 | 3. Moderate Slope | 303 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 4 | 4. Steep, Hilly | 165 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 11 | .A | 6 | |
| Sysmiss | 2004 |