| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, FORM 4 | 429 | 
                                    
                                    13.1%
                                 | 
| 2 | YES, FORM 6 | 72 | 
                                    
                                    2.2%
                                 | 
| 3 | NO, DID NOT TAKE | 2775 | 
                                    
                                    84.7%
                                 | 
| Sysmiss | 1466 |