| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, THE ENTIRE QUESTIONNAIRE | 422 | 
                                    
                                    4.2%
                                 | 
| 2 | YES, PARTS OF THE QUESTIONNAIRE | 254 | 
                                    
                                    2.5%
                                 | 
| 3 | NO, NOT USED | 9187 | 
                                    
                                    90.5%
                                 | 
| 9 | NO RESPONSE | 44 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 249 | 
                                    
                                    2.5%
                                 |