| 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 | 1463 | 
                                    
                                    9.8%
                                 | |
| 7 | 401 | 
                                    
                                    2.7%
                                 | |
| 8 | 638 | 
                                    
                                    4.3%
                                 | |
| 9 | 107 | 
                                    
                                    0.7%
                                 | |
| 10 | 908 | 
                                    
                                    6.1%
                                 | |
| 11 | 22 | 
                                    
                                    0.1%
                                 | |
| 12 | 173 | 
                                    
                                    1.2%
                                 | |
| 13 | 7 | 
                                    
                                    0%
                                 | |
| 14 | 10 | 
                                    
                                    0.1%
                                 | |
| 15 | 19 | 
                                    
                                    0.1%
                                 | |
| 16 | 39 | 
                                    
                                    0.3%
                                 | |
| 20 | 64 | 
                                    
                                    0.4%
                                 | |
| 30 | 7 | 
                                    
                                    0%
                                 | |
| 96 | non-numeric response | 664 | 
                                    
                                    4.4%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 14 |