| Value | Category | Cases | |
|---|---|---|---|
| 1 | Greater number | 23 | 
                                    
                                    11.9%
                                 | 
| 2 | Large amount | 6 | 
                                    
                                    3.1%
                                 | 
| 3 | Same amount | 30 | 
                                    
                                    15.5%
                                 | 
| 4 | Small quantity | 49 | 
                                    
                                    25.3%
                                 | 
| 5 | Smaller quantity | 68 | 
                                    
                                    35.1%
                                 | 
| 98 | Do not know | 18 | 
                                    
                                    9.3%
                                 | 
| Sysmiss | 1338 |