| Value | Category | Cases | |
|---|---|---|---|
| 0 | No time at all | 2105 | 
                                    
                                    5.2%
                                 | 
| 1 | Less than 0,5 hour | 2533 | 
                                    
                                    6.3%
                                 | 
| 2 | 0,5 hour to 1 hour | 5588 | 
                                    
                                    13.9%
                                 | 
| 3 | More than 1 hour, up to 1,5 hours | 5681 | 
                                    
                                    14.2%
                                 | 
| 4 | More than 1,5 hours, up to 2 hours | 6663 | 
                                    
                                    16.6%
                                 | 
| 5 | More than 2 hours, up to 2,5 hours | 5363 | 
                                    
                                    13.4%
                                 | 
| 6 | More than 2,5 hours, up to 3 hours | 4619 | 
                                    
                                    11.5%
                                 | 
| 7 | More than 3 hours | 7559 | 
                                    
                                    18.8%
                                 | 
| 2147483623 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 2147483624 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 2147483625 | No answer | 0 | 
                                    
                                    0%
                                 | 
| 11 | .D | 74 |