| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 | 
                                    
                                    0%
                                 | 
| -88 | Missing | 1 | 
                                    
                                    0.1%
                                 | 
| -77 | NA | 2 | 
                                    
                                    0.1%
                                 | 
| 2 | 3 | 
                                    
                                    0.2%
                                 | |
| 3 | 1 | 
                                    
                                    0.1%
                                 | |
| 5 | 209 | 
                                    
                                    13.3%
                                 | |
| 10 | 212 | 
                                    
                                    13.5%
                                 | |
| 13 | 1 | 
                                    
                                    0.1%
                                 | |
| 15 | 232 | 
                                    
                                    14.8%
                                 | |
| 20 | 234 | 
                                    
                                    14.9%
                                 | |
| 25 | 231 | 
                                    
                                    14.7%
                                 | |
| 30 | 222 | 
                                    
                                    14.2%
                                 | |
| 35 | 216 | 
                                    
                                    13.8%
                                 | |
| 37 | 1 | 
                                    
                                    0.1%
                                 | |
| 45 | 2 | 
                                    
                                    0.1%
                                 | |
| 215 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 8 |