| Value | Category | Cases | |
|---|---|---|---|
| 16 | 2 | 
                                    
                                    0.2%
                                 | |
| 17 | 19 | 
                                    
                                    1.9%
                                 | |
| 18 | 66 | 
                                    
                                    6.6%
                                 | |
| 19 | 137 | 
                                    
                                    13.7%
                                 | |
| 20 | 159 | 
                                    
                                    15.9%
                                 | |
| 21 | 33 | 
                                    
                                    3.3%
                                 | |
| 22 | 12 | 
                                    
                                    1.2%
                                 | |
| 23 | 9 | 
                                    
                                    0.9%
                                 | |
| 24 | 5 | 
                                    
                                    0.5%
                                 | |
| 25 | 1 | 
                                    
                                    0.1%
                                 | |
| 26 | 4 | 
                                    
                                    0.4%
                                 | |
| 28 | 2 | 
                                    
                                    0.2%
                                 | |
| 32 | 1 | 
                                    
                                    0.1%
                                 | |
| 37 | 1 | 
                                    
                                    0.1%
                                 | |
| 39 | 1 | 
                                    
                                    0.1%
                                 | |
| 43 | 1 | 
                                    
                                    0.1%
                                 | |
| 45 | 1 | 
                                    
                                    0.1%
                                 | |
| 47 | 1 | 
                                    
                                    0.1%
                                 | |
| 50 | 1 | 
                                    
                                    0.1%
                                 | |
| 99 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 547 | 
                                    
                                    54.5%
                                 |