| Value | Category | Cases | |
|---|---|---|---|
| 15 | 9 | 
                                    
                                    0.9%
                                 | |
| 16 | 22 | 
                                    
                                    2.2%
                                 | |
| 17 | 14 | 
                                    
                                    1.4%
                                 | |
| 18 | 50 | 
                                    
                                    4.9%
                                 | |
| 19 | 134 | 
                                    
                                    13.2%
                                 | |
| 20 | 123 | 
                                    
                                    12.2%
                                 | |
| 21 | 26 | 
                                    
                                    2.6%
                                 | |
| 22 | 35 | 
                                    
                                    3.5%
                                 | |
| 23 | 13 | 
                                    
                                    1.3%
                                 | |
| 24 | 4 | 
                                    
                                    0.4%
                                 | |
| 25 | 4 | 
                                    
                                    0.4%
                                 | |
| 26 | 1 | 
                                    
                                    0.1%
                                 | |
| 27 | 3 | 
                                    
                                    0.3%
                                 | |
| 28 | 5 | 
                                    
                                    0.5%
                                 | |
| 29 | 1 | 
                                    
                                    0.1%
                                 | |
| 30 | 2 | 
                                    
                                    0.2%
                                 | |
| 31 | 1 | 
                                    
                                    0.1%
                                 | |
| 36 | 1 | 
                                    
                                    0.1%
                                 | |
| 40 | 1 | 
                                    
                                    0.1%
                                 | |
| 42 | 2 | 
                                    
                                    0.2%
                                 | |
| 99 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 561 | 
                                    
                                    55.4%
                                 |