| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increasing | 55 | 
                                    
                                    34.8%
                                 | 
| 2 | Decreasing | 40 | 
                                    
                                    25.3%
                                 | 
| 3 | Staying about the same | 63 | 
                                    
                                    39.9%
                                 | 
| Sysmiss | 1 |