| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 | 
                                    
                                    4.2%
                                 | |
| 1 | 212 | 
                                    
                                    44.3%
                                 | |
| 2 | 70 | 
                                    
                                    14.6%
                                 | |
| 3 | 40 | 
                                    
                                    8.4%
                                 | |
| 4 | 21 | 
                                    
                                    4.4%
                                 | |
| 5 | 32 | 
                                    
                                    6.7%
                                 | |
| 6 | 10 | 
                                    
                                    2.1%
                                 | |
| 7 | 11 | 
                                    
                                    2.3%
                                 | |
| 8 | 32 | 
                                    
                                    6.7%
                                 | |
| 9 | 11 | 
                                    
                                    2.3%
                                 | |
| 10 | 10 | 
                                    
                                    2.1%
                                 | |
| 20 | 10 | 
                                    
                                    2.1%
                                 | |
| Sysmiss | 1488 |