| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 | 
                                    
                                    0%
                                 | 
| -88 | Missing | 0 | 
                                    
                                    0%
                                 | 
| -77 | NA | 7 | 
                                    
                                    0.6%
                                 | 
| 1 | 2 | 
                                    
                                    0.2%
                                 | |
| 3 | 3 | 
                                    
                                    0.3%
                                 | |
| 4 | 8 | 
                                    
                                    0.7%
                                 | |
| 5 | 22 | 
                                    
                                    1.9%
                                 | |
| 6 | 23 | 
                                    
                                    2%
                                 | |
| 7 | 55 | 
                                    
                                    4.8%
                                 | |
| 8 | 126 | 
                                    
                                    11%
                                 | |
| 9 | 218 | 
                                    
                                    19%
                                 | |
| 10 | 685 | 
                                    
                                    59.6%
                                 | |
| Sysmiss | 10 |