| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 | 
                                    
                                    7.3%
                                 | |
| 2 | 6 | 
                                    
                                    7.3%
                                 | |
| 3 | 29 | 
                                    
                                    35.4%
                                 | |
| 4 | 16 | 
                                    
                                    19.5%
                                 | |
| 5 | 7 | 
                                    
                                    8.5%
                                 | |
| 6 | 10 | 
                                    
                                    12.2%
                                 | |
| 7 | 4 | 
                                    
                                    4.9%
                                 | |
| 8 | 3 | 
                                    
                                    3.7%
                                 | |
| 9 | 1 | 
                                    
                                    1.2%
                                 | |
| Sysmiss | 973 |