| Value | Category | Cases | |
|---|---|---|---|
| 0 | 266 | 
                                    
                                    27.7%
                                 | |
| 1 | 51 | 
                                    
                                    5.3%
                                 | |
| 2 | 112 | 
                                    
                                    11.6%
                                 | |
| 3 | 121 | 
                                    
                                    12.6%
                                 | |
| 4 | 61 | 
                                    
                                    6.3%
                                 | |
| 5 | 38 | 
                                    
                                    4%
                                 | |
| 6 | 16 | 
                                    
                                    1.7%
                                 | |
| 7 | 271 | 
                                    
                                    28.2%
                                 | |
| 8 | 7 | 
                                    
                                    0.7%
                                 | |
| 9 | 2 | 
                                    
                                    0.2%
                                 | |
| 10 | 11 | 
                                    
                                    1.1%
                                 | |
| 14 | 3 | 
                                    
                                    0.3%
                                 | |
| 20 | 3 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 9888 |