| Value | Category | Cases | |
|---|---|---|---|
| 0 | 25 | 
                                    
                                    14.5%
                                 | |
| 1 | 59 | 
                                    
                                    34.1%
                                 | |
| 2 | 38 | 
                                    
                                    22%
                                 | |
| 3 | 31 | 
                                    
                                    17.9%
                                 | |
| 4 | 9 | 
                                    
                                    5.2%
                                 | |
| 5 | 5 | 
                                    
                                    2.9%
                                 | |
| 6 | 3 | 
                                    
                                    1.7%
                                 | |
| 7 | 1 | 
                                    
                                    0.6%
                                 | |
| 9 | 1 | 
                                    
                                    0.6%
                                 | |
| 13 | 1 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 227 |