| Value | Category | Cases | |
|---|---|---|---|
| 16 | 4 | 
                                    
                                    0.4%
                                 | |
| 17 | 15 | 
                                    
                                    1.5%
                                 | |
| 18 | 79 | 
                                    
                                    7.9%
                                 | |
| 19 | 135 | 
                                    
                                    13.5%
                                 | |
| 20 | 143 | 
                                    
                                    14.3%
                                 | |
| 21 | 61 | 
                                    
                                    6.1%
                                 | |
| 22 | 24 | 
                                    
                                    2.4%
                                 | |
| 23 | 10 | 
                                    
                                    1%
                                 | |
| 24 | 6 | 
                                    
                                    0.6%
                                 | |
| 25 | 11 | 
                                    
                                    1.1%
                                 | |
| 26 | 3 | 
                                    
                                    0.3%
                                 | |
| 27 | 2 | 
                                    
                                    0.2%
                                 | |
| 28 | 3 | 
                                    
                                    0.3%
                                 | |
| 39 | 1 | 
                                    
                                    0.1%
                                 | |
| 41 | 1 | 
                                    
                                    0.1%
                                 | |
| 42 | 1 | 
                                    
                                    0.1%
                                 | |
| 44 | 1 | 
                                    
                                    0.1%
                                 | |
| 45 | 1 | 
                                    
                                    0.1%
                                 | |
| 50 | 1 | 
                                    
                                    0.1%
                                 | |
| 60 | 1 | 
                                    
                                    0.1%
                                 | |
| 99 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 497 | 
                                    
                                    49.7%
                                 |