| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 | 
                                    
                                    0%
                                 | 
| -88 | Missing | 0 | 
                                    
                                    0%
                                 | 
| -77 | NA | 2 | 
                                    
                                    0.2%
                                 | 
| 1 | 2 | 
                                    
                                    0.2%
                                 | |
| 2 | 11 | 
                                    
                                    1%
                                 | |
| 3 | 26 | 
                                    
                                    2.3%
                                 | |
| 4 | 37 | 
                                    
                                    3.2%
                                 | |
| 5 | 108 | 
                                    
                                    9.4%
                                 | |
| 6 | 149 | 
                                    
                                    12.9%
                                 | |
| 7 | 182 | 
                                    
                                    15.8%
                                 | |
| 8 | 293 | 
                                    
                                    25.4%
                                 | |
| 9 | 178 | 
                                    
                                    15.4%
                                 | |
| 10 | 167 | 
                                    
                                    14.5%
                                 | |
| Sysmiss | 4 |