| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 clear from the onset | 590 | 
                                    
                                    38.5%
                                 | 
| 2 | 2 in the course of the campaign | 272 | 
                                    
                                    17.8%
                                 | 
| 3 | 3 at the last moment | 311 | 
                                    
                                    20.3%
                                 | 
| 8 | 8 don't know | 14 | 
                                    
                                    0.9%
                                 | 
| 9 | 9 no answer | 18 | 
                                    
                                    1.2%
                                 | 
| Sysmiss | 326 | 
                                    
                                    21.3%
                                 |