| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher | 37 | 
                                    
                                    8.7%
                                 | 
| 2 | About the same | 241 | 
                                    
                                    56.8%
                                 | 
| 3 | Lower | 146 | 
                                    
                                    34.4%
                                 | 
| Sysmiss | 885 |