| Value | Category | Cases | |
|---|---|---|---|
| 0 | 208 | 
                                    
                                    12.5%
                                 | |
| 1 | 664 | 
                                    
                                    39.9%
                                 | |
| 2 | 473 | 
                                    
                                    28.4%
                                 | |
| 3 | 160 | 
                                    
                                    9.6%
                                 | |
| 4 | 91 | 
                                    
                                    5.5%
                                 | |
| 5 | 30 | 
                                    
                                    1.8%
                                 | |
| 6 | 40 | 
                                    
                                    2.4%
                                 | |
| Sysmiss | 301 |