| Value | Category | Cases | |
|---|---|---|---|
| 0 | 226 | 
                                    
                                    83.1%
                                 | |
| 1 | 1 | 
                                    
                                    0.4%
                                 | |
| 2 | 18 | 
                                    
                                    6.6%
                                 | |
| 3 | 27 | 
                                    
                                    9.9%
                                 | |
| Sysmiss | 9203 |