| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2153 | 
                                    
                                    85.5%
                                 | |
| 1 | 291 | 
                                    
                                    11.6%
                                 | |
| 2 | 54 | 
                                    
                                    2.1%
                                 | |
| 3 | 12 | 
                                    
                                    0.5%
                                 | |
| 4 | 6 | 
                                    
                                    0.2%
                                 | |
| 5 | 2 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 17738 |