| Value | Category | Cases | |
|---|---|---|---|
| 0 | 502 | 
                                    
                                    65.6%
                                 | |
| 1 | 22 | 
                                    
                                    2.9%
                                 | |
| 2 | 20 | 
                                    
                                    2.6%
                                 | |
| 3 | 29 | 
                                    
                                    3.8%
                                 | |
| 4 | 31 | 
                                    
                                    4.1%
                                 | |
| 5 | 20 | 
                                    
                                    2.6%
                                 | |
| 6 | 59 | 
                                    
                                    7.7%
                                 | |
| 7 | 10 | 
                                    
                                    1.3%
                                 | |
| 8 | 16 | 
                                    
                                    2.1%
                                 | |
| 9 | 21 | 
                                    
                                    2.7%
                                 | |
| 10 | 22 | 
                                    
                                    2.9%
                                 | |
| 11 | 13 | 
                                    
                                    1.7%
                                 | |
| Sysmiss | 31 |