| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1173 | 
                                    
                                    86.6%
                                 | |
| 1 | 148 | 
                                    
                                    10.9%
                                 | |
| 2 | 20 | 
                                    
                                    1.5%
                                 | |
| 3 | 9 | 
                                    
                                    0.7%
                                 | |
| 4 | 4 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 146 |