| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2162 | 
                                
                                91.6%
                             | |
| 1 | 152 | 
                                
                                6.4%
                             | |
| 8 | 10 | 
                                
                                0.4%
                             | |
| 9 | 36 | 
                                
                                1.5%
                             | |
| Sysmiss | 45 |