| Value | Category | Cases | |
|---|---|---|---|
| 0 | 166 | 
                                    
                                    14.5%
                                 | |
| 1 | 70 | 
                                    
                                    6.1%
                                 | |
| 2 | 204 | 
                                    
                                    17.8%
                                 | |
| 3 | 138 | 
                                    
                                    12%
                                 | |
| 4 | 109 | 
                                    
                                    9.5%
                                 | |
| 5 | 112 | 
                                    
                                    9.8%
                                 | |
| 6 | 52 | 
                                    
                                    4.5%
                                 | |
| 7 | 295 | 
                                    
                                    25.7%
                                 | |
| Sysmiss | 2592 |