| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    2.5%
                                 | |
| 7 | 1 | 
                                    
                                    0.6%
                                 | |
| 8 | 12 | 
                                    
                                    7.4%
                                 | |
| 9 | 11 | 
                                    
                                    6.8%
                                 | |
| 10 | 21 | 
                                    
                                    13%
                                 | |
| 11 | 15 | 
                                    
                                    9.3%
                                 | |
| 12 | 8 | 
                                    
                                    4.9%
                                 | |
| 13 | 4 | 
                                    
                                    2.5%
                                 | |
| 14 | 10 | 
                                    
                                    6.2%
                                 | |
| 15 | 17 | 
                                    
                                    10.5%
                                 | |
| 16 | 15 | 
                                    
                                    9.3%
                                 | |
| 17 | 10 | 
                                    
                                    6.2%
                                 | |
| 18 | 15 | 
                                    
                                    9.3%
                                 | |
| 19 | 10 | 
                                    
                                    6.2%
                                 | |
| 20 | 6 | 
                                    
                                    3.7%
                                 | |
| 21 | 3 | 
                                    
                                    1.9%
                                 | |
| Sysmiss | 2838 |