| Value | Category | Cases | |
|---|---|---|---|
| 16 | 1 | 
                                    
                                    0.1%
                                 | |
| 17 | 7 | 
                                    
                                    0.7%
                                 | |
| 18 | 61 | 
                                    
                                    6.1%
                                 | |
| 19 | 127 | 
                                    
                                    12.7%
                                 | |
| 20 | 150 | 
                                    
                                    15%
                                 | |
| 21 | 62 | 
                                    
                                    6.2%
                                 | |
| 22 | 23 | 
                                    
                                    2.3%
                                 | |
| 23 | 8 | 
                                    
                                    0.8%
                                 | |
| 24 | 6 | 
                                    
                                    0.6%
                                 | |
| 25 | 4 | 
                                    
                                    0.4%
                                 | |
| 26 | 2 | 
                                    
                                    0.2%
                                 | |
| 27 | 1 | 
                                    
                                    0.1%
                                 | |
| 28 | 1 | 
                                    
                                    0.1%
                                 | |
| 30 | 2 | 
                                    
                                    0.2%
                                 | |
| 36 | 2 | 
                                    
                                    0.2%
                                 | |
| 39 | 1 | 
                                    
                                    0.1%
                                 | |
| 40 | 1 | 
                                    
                                    0.1%
                                 | |
| 47 | 1 | 
                                    
                                    0.1%
                                 | |
| 99 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 542 | 
                                    
                                    54.1%
                                 |