| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much more | 123 | 
                                    
                                    10.3%
                                 | 
| 2 | More | 235 | 
                                    
                                    19.6%
                                 | 
| 3 | About the same | 172 | 
                                    
                                    14.3%
                                 | 
| 4 | Less | 142 | 
                                    
                                    11.8%
                                 | 
| 5 | Much less | 73 | 
                                    
                                    6.1%
                                 | 
| 6 | Do not know | 359 | 
                                    
                                    29.9%
                                 | 
| 98 | Refused | 6 | 
                                    
                                    0.5%
                                 | 
| 99 | Missing data | 90 | 
                                    
                                    7.5%
                                 |