| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 | 
                                    
                                    17.4%
                                 | |
| 1 | 5 | 
                                    
                                    10.9%
                                 | |
| 5 | 1 | 
                                    
                                    2.2%
                                 | |
| 8 | 1 | 
                                    
                                    2.2%
                                 | |
| 10 | 3 | 
                                    
                                    6.5%
                                 | |
| 14 | 1 | 
                                    
                                    2.2%
                                 | |
| 15 | 4 | 
                                    
                                    8.7%
                                 | |
| 20 | 7 | 
                                    
                                    15.2%
                                 | |
| 25 | 1 | 
                                    
                                    2.2%
                                 | |
| 30 | 7 | 
                                    
                                    15.2%
                                 | |
| 40 | 2 | 
                                    
                                    4.3%
                                 | |
| 45 | 4 | 
                                    
                                    8.7%
                                 | |
| 50 | 2 | 
                                    
                                    4.3%
                                 | |
| Sysmiss | 554 |