| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 42 | 
                                    
                                    2.7%
                                 | 
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 6 | 
                                    
                                    0.4%
                                 | 
| 3 | NO, NOT USED | 1456 | 
                                    
                                    93.1%
                                 | 
| 9 | NO RESPONSE | 2 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 58 | 
                                    
                                    3.7%
                                 |