| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1286 | 
                                    
                                    95%
                                 | |
| 1 | 54 | 
                                    
                                    4%
                                 | |
| 2 | 12 | 
                                    
                                    0.9%
                                 | |
| 3 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 147 |