| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1144 | 
                                    
                                    82.5%
                                 | |
| 1 | 207 | 
                                    
                                    14.9%
                                 | |
| 2 | 26 | 
                                    
                                    1.9%
                                 | |
| 3 | 8 | 
                                    
                                    0.6%
                                 | |
| 4 | 2 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 113 |