| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 656 | 
                                    
                                    35.1%
                                 | 
| 2 | At the beginning | 529 | 
                                    
                                    28.3%
                                 | 
| 3 | Sometimes | 440 | 
                                    
                                    23.6%
                                 | 
| 4 | Almost every time | 149 | 
                                    
                                    8%
                                 | 
| 5 | Every time | 94 | 
                                    
                                    5%
                                 | 
| 8 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 9 | Missing | 0 | 
                                    
                                    0%
                                 |