| Value | Category | Cases | |
|---|---|---|---|
| 0 | 56 | 
                                    
                                    1.6%
                                 | |
| 1 | 2200 | 
                                    
                                    63.7%
                                 | |
| 2 | 1116 | 
                                    
                                    32.3%
                                 | |
| 3 | 63 | 
                                    
                                    1.8%
                                 | |
| 4 | 12 | 
                                    
                                    0.3%
                                 | |
| 5 | 3 | 
                                    
                                    0.1%
                                 | |
| 6 | 1 | 
                                    
                                    0%
                                 | |
| 7 | 1 | 
                                    
                                    0%
                                 | |
| Sysmiss | 3 |