| Value | Category | Cases | |
|---|---|---|---|
| 16 | 6 | 
                                    
                                    0.6%
                                 | |
| 17 | 9 | 
                                    
                                    0.9%
                                 | |
| 18 | 79 | 
                                    
                                    7.8%
                                 | |
| 19 | 149 | 
                                    
                                    14.7%
                                 | |
| 20 | 137 | 
                                    
                                    13.5%
                                 | |
| 21 | 42 | 
                                    
                                    4.1%
                                 | |
| 22 | 23 | 
                                    
                                    2.3%
                                 | |
| 23 | 11 | 
                                    
                                    1.1%
                                 | |
| 24 | 5 | 
                                    
                                    0.5%
                                 | |
| 25 | 4 | 
                                    
                                    0.4%
                                 | |
| 26 | 2 | 
                                    
                                    0.2%
                                 | |
| 27 | 1 | 
                                    
                                    0.1%
                                 | |
| 28 | 2 | 
                                    
                                    0.2%
                                 | |
| 33 | 1 | 
                                    
                                    0.1%
                                 | |
| 34 | 1 | 
                                    
                                    0.1%
                                 | |
| 35 | 1 | 
                                    
                                    0.1%
                                 | |
| 40 | 1 | 
                                    
                                    0.1%
                                 | |
| 48 | 1 | 
                                    
                                    0.1%
                                 | |
| 52 | 1 | 
                                    
                                    0.1%
                                 | |
| 99 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 539 | 
                                    
                                    53.1%
                                 |