| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 2 | 
                                    
                                    0.2%
                                 | 
| -88 | Missing | 0 | 
                                    
                                    0%
                                 | 
| -77 | NA | 7 | 
                                    
                                    0.6%
                                 | 
| 2 | 2 | 
                                    
                                    0.2%
                                 | |
| 3 | 16 | 
                                    
                                    1.4%
                                 | |
| 4 | 26 | 
                                    
                                    2.3%
                                 | |
| 5 | 63 | 
                                    
                                    5.5%
                                 | |
| 6 | 90 | 
                                    
                                    7.8%
                                 | |
| 7 | 176 | 
                                    
                                    15.3%
                                 | |
| 8 | 263 | 
                                    
                                    22.9%
                                 | |
| 9 | 187 | 
                                    
                                    16.3%
                                 | |
| 10 | 316 | 
                                    
                                    27.5%
                                 | |
| Sysmiss | 11 |