| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 | 
                                    
                                    0.2%
                                 | |
| 1 | 434 | 
                                    
                                    3%
                                 | |
| 2 | 176 | 
                                    
                                    1.2%
                                 | |
| 3 | 139 | 
                                    
                                    1%
                                 | |
| 4 | 73 | 
                                    
                                    0.5%
                                 | |
| 5 | 19 | 
                                    
                                    0.1%
                                 | |
| 6 | 30 | 
                                    
                                    0.2%
                                 | |
| 7 | 16 | 
                                    
                                    0.1%
                                 | |
| 8 | 10 | 
                                    
                                    0.1%
                                 | |
| 9 | 13 | 
                                    
                                    0.1%
                                 | |
| 10 | 11 | 
                                    
                                    0.1%
                                 | |
| 11 | 5 | 
                                    
                                    0%
                                 | |
| 12 | 10 | 
                                    
                                    0.1%
                                 | |
| 13 | 2 | 
                                    
                                    0%
                                 | |
| 14 | 2 | 
                                    
                                    0%
                                 | |
| 15 | 5 | 
                                    
                                    0%
                                 | |
| 17 | 1 | 
                                    
                                    0%
                                 | |
| 18 | 1 | 
                                    
                                    0%
                                 | |
| 19 | 1 | 
                                    
                                    0%
                                 | |
| 20 | 1 | 
                                    
                                    0%
                                 | |
| 98 | DK / DON?T REMEMBER | 2 | 
                                    
                                    0%
                                 | 
| Sysmiss | 13316 | 
                                    
                                    93.1%
                                 |