| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increasing | 896 | 
                                    
                                    70.3%
                                 | 
| 2 | Decreasing | 218 | 
                                    
                                    17.1%
                                 | 
| 3 | About the same | 161 | 
                                    
                                    12.6%
                                 | 
| Sysmiss | 5565 |