| Value | Category | Cases | |
|---|---|---|---|
| 01 | No time | 17641 | 
                                    
                                    6%
                                 | 
| 02 | 1-30 minutes | 25150 | 
                                    
                                    8.5%
                                 | 
| 03 | 31-60 minutes | 31646 | 
                                    
                                    10.8%
                                 | 
| 04 | Between 1 and 2 hours | 63125 | 
                                    
                                    21.5%
                                 | 
| 05 | Between 2 and 4 hours | 72090 | 
                                    
                                    24.5%
                                 | 
| 06 | Between 4 hours and 6 hours | 44740 | 
                                    
                                    15.2%
                                 | 
| 07 | More than 6 hours | 39767 | 
                                    
                                    13.5%
                                 | 
| 97 | N/A | 174540 | |
| 98 | Invalid | 862 | |
| 99 | Missing | 15929 |