| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | yes | 440 | 518 | 
                                    
                                    15.7%
                                 | 
| 2 | no | 86 | 116 | 
                                    
                                    3.5%
                                 | 
| Sysmiss | 2002 | 2662 |