| Value | Category | Cases | |
|---|---|---|---|
| 1 | A lot | 1417 | 
                                    
                                    38.4%
                                 | 
| 2 | A few | 1540 | 
                                    
                                    41.7%
                                 | 
| 3 | None | 734 | 
                                    
                                    19.9%
                                 | 
| Sysmiss | 76 |