| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 5038 | 
                                    
                                    94.5%
                                 | 
| 1 | Yes | 125 | 
                                    
                                    2.3%
                                 | 
| 2 | 136 | 
                                    
                                    2.6%
                                 | |
| 3 | 34 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 11087 |