| Value | Category | Cases | |
|---|---|---|---|
| 2 | MORE THAN ONCE | 377 | 
                                    
                                    11.1%
                                 | 
| 2 | MORE THAN ONCE | 162 | 
                                    
                                    4.8%
                                 | 
| Sysmiss | 2852 | 
                                    
                                    84.1%
                                 |