| Value | Category | Cases | |
|---|---|---|---|
| 0 | 369 | 
                                    
                                    2.5%
                                 | |
| 1 | 767 | 
                                    
                                    5.1%
                                 | |
| 2 | 2835 | 
                                    
                                    19%
                                 | |
| 3 | 2038 | 
                                    
                                    13.6%
                                 | |
| 4 | 3166 | 
                                    
                                    21.2%
                                 | |
| 5 | 1235 | 
                                    
                                    8.3%
                                 | |
| 6 | 6+ | 3858 | 
                                    
                                    25.8%
                                 | 
| 7 | non-numeric response | 678 | 
                                    
                                    4.5%
                                 |