| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 | 
                                    
                                    1.3%
                                 | |
| 1 | 312 | 
                                    
                                    19.6%
                                 | |
| 2 | 301 | 
                                    
                                    18.9%
                                 | |
| 3 | 258 | 
                                    
                                    16.2%
                                 | |
| 4 | 186 | 
                                    
                                    11.7%
                                 | |
| 5 | 74 | 
                                    
                                    4.7%
                                 | |
| 6 | 438 | 
                                    
                                    27.5%
                                 | |
| Sysmiss | 23994 |