| Value | Category | Cases | |
|---|---|---|---|
| 0 | 238 | 
                                    
                                    49.6%
                                 | |
| 1.26 | 158 | 
                                    
                                    32.9%
                                 | |
| 3.02 | 83 | 
                                    
                                    17.3%
                                 | |
| 6.14 | 1 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 1 |