| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes all | 84 | 
                                    
                                    6.6%
                                 | 
| 2 | yes part | 21 | 
                                    
                                    1.6%
                                 | 
| 3 | no | 1169 | 
                                    
                                    91.8%
                                 | 
| Sysmiss | 8010 |