| Value | Category | Cases | |
|---|---|---|---|
| 16 | 1 | 
                                    
                                    0.1%
                                 | |
| 17 | 6 | 
                                    
                                    0.6%
                                 | |
| 18 | 91 | 
                                    
                                    9.1%
                                 | |
| 19 | 154 | 
                                    
                                    15.3%
                                 | |
| 20 | 143 | 
                                    
                                    14.2%
                                 | |
| 21 | 42 | 
                                    
                                    4.2%
                                 | |
| 22 | 19 | 
                                    
                                    1.9%
                                 | |
| 23 | 7 | 
                                    
                                    0.7%
                                 | |
| 24 | 2 | 
                                    
                                    0.2%
                                 | |
| 25 | 3 | 
                                    
                                    0.3%
                                 | |
| 26 | 1 | 
                                    
                                    0.1%
                                 | |
| 27 | 2 | 
                                    
                                    0.2%
                                 | |
| 29 | 1 | 
                                    
                                    0.1%
                                 | |
| 30 | 2 | 
                                    
                                    0.2%
                                 | |
| 31 | 1 | 
                                    
                                    0.1%
                                 | |
| 32 | 2 | 
                                    
                                    0.2%
                                 | |
| 37 | 1 | 
                                    
                                    0.1%
                                 | |
| 99 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 526 | 
                                    
                                    52.4%
                                 |